1342990121 has 8 divisors (see below), whose sum is σ = 1465506624. Its totient is φ = 1220544720.

The previous prime is 1342990111. The next prime is 1342990133. The reversal of 1342990121 is 1210992431.

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 1342990121 - 2⁶ = 1342990057 is a prime.

It is a super-3 number, since 3×1342990121³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342990111) 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, 26540 + ... + 58226.

It is an arithmetic number, because the mean of its divisors is an integer number (183188328).

Almost surely, 2^1342990121 is an apocalyptic number.

1342990121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1342990121 is a deficient number, since it is larger than the sum of its proper divisors (122516503).

1342990121 is a wasteful number, since it uses less digits than its factorization.

1342990121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35551.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1342990121 is about 36646.8296173080. The cubic root of 1342990121 is about 1103.2931945879.

The spelling of 1342990121 in words is "one billion, three hundred forty-two million, nine hundred ninety thousand, one hundred twenty-one".