1055191929 has 8 divisors (see below), whose sum is σ = 1534824672. Its totient is φ = 639510240.

The previous prime is 1055191913. The next prime is 1055191957. The reversal of 1055191929 is 9291915501.

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

It is not a de Polignac number, because 1055191929 - 2⁴ = 1055191913 is a prime.

It is a super-2 number, since 2×1055191929² = 2226860014053482082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055193929) 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, 15987724 + ... + 15987789.

It is an arithmetic number, because the mean of its divisors is an integer number (191853084).

Almost surely, 2^1055191929 is an apocalyptic number.

It is an amenable number.

1055191929 is a deficient number, since it is larger than the sum of its proper divisors (479632743).

1055191929 is a wasteful number, since it uses less digits than its factorization.

1055191929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31975527.

The product of its (nonzero) digits is 36450, while the sum is 42.

The square root of 1055191929 is about 32483.7179060526. The cubic root of 1055191929 is about 1018.0688595840.

The spelling of 1055191929 in words is "one billion, fifty-five million, one hundred ninety-one thousand, nine hundred twenty-nine".