1055641121 has 16 divisors (see below), whose sum is σ = 1136851200. Its totient is φ = 977154048.

The previous prime is 1055641073. The next prime is 1055641123. The reversal of 1055641121 is 1211465501.

It is a cyclic number.

It is not a de Polignac number, because 1055641121 - 2⁶ = 1055641057 is a prime.

It is a super-2 number, since 2×1055641121² = 2228756352692273282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055641123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256760 + ... + 260838.

It is an arithmetic number, because the mean of its divisors is an integer number (71053200).

Almost surely, 2^1055641121 is an apocalyptic number.

It is an amenable number.

1055641121 is a deficient number, since it is larger than the sum of its proper divisors (81210079).

1055641121 is a wasteful number, since it uses less digits than its factorization.

1055641121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 1055641121 is about 32490.6312804168. The cubic root of 1055641121 is about 1018.2133020304.

The spelling of 1055641121 in words is "one billion, fifty-five million, six hundred forty-one thousand, one hundred twenty-one".