1341102421 has 4 divisors (see below), whose sum is σ = 1344901932. Its totient is φ = 1337302912.

The previous prime is 1341102383. The next prime is 1341102437. The reversal of 1341102421 is 1242011431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 325405521 + 1015696900 = 18039^2 + 31870^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341102421 - 2⁷ = 1341102293 is a prime.

It is a super-2 number, since 2×1341102421² = 3597111407224122482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341102461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1899226 + ... + 1899931.

It is an arithmetic number, because the mean of its divisors is an integer number (336225483).

Almost surely, 2^1341102421 is an apocalyptic number.

It is an amenable number.

1341102421 is a deficient number, since it is larger than the sum of its proper divisors (3799511).

1341102421 is an equidigital number, since it uses as much as digits as its factorization.

1341102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799510.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1341102421 is about 36621.0652630423. The cubic root of 1341102421 is about 1102.7760244568.

Adding to 1341102421 its reverse (1242011431), we get a palindrome (2583113852).

The spelling of 1341102421 in words is "one billion, three hundred forty-one million, one hundred two thousand, four hundred twenty-one".