1342111121 has 8 divisors (see below), whose sum is σ = 1530371304. Its totient is φ = 1165996800.

The previous prime is 1342111091. The next prime is 1342111229. The reversal of 1342111121 is 1211112431.

It can be written as a sum of positive squares in 4 ways, for example, as 6574096 + 1335537025 = 2564^2 + 36545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1342111121 - 2²⁶ = 1275002257 is a prime.

It is a super-2 number, since 2×1342111121² = 3602524522223753282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342111121.

It is not an unprimeable number, because it can be changed into a prime (1342111021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036230 + ... + 3036671.

It is an arithmetic number, because the mean of its divisors is an integer number (191296413).

Almost surely, 2^1342111121 is an apocalyptic number.

It is an amenable number.

1342111121 is a deficient number, since it is larger than the sum of its proper divisors (188260183).

1342111121 is a wasteful number, since it uses less digits than its factorization.

1342111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072931.

The product of its digits is 48, while the sum is 17.

The square root of 1342111121 is about 36634.8348024118. The cubic root of 1342111121 is about 1103.0524367049.

Adding to 1342111121 its reverse (1211112431), we get a palindrome (2553223552).

It can be divided in two parts, 134211 and 1121, that multiplied together give a triangular number (150450531 = T₁₇₃₄₆).

The spelling of 1342111121 in words is "one billion, three hundred forty-two million, one hundred eleven thousand, one hundred twenty-one".