1055942155 has 8 divisors (see below), whose sum is σ = 1267531200. Its totient is φ = 844486656.

The previous prime is 1055942123. The next prime is 1055942183. The reversal of 1055942155 is 5512495501.

It is a happy number.

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 1055942155 - 2⁵ = 1055942123 is a prime.

It is a super-2 number, since 2×1055942155² = 2230027669412088050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15075 + ... + 48364.

It is an arithmetic number, because the mean of its divisors is an integer number (158441400).

Almost surely, 2^1055942155 is an apocalyptic number.

1055942155 is a deficient number, since it is larger than the sum of its proper divisors (211589045).

1055942155 is an equidigital number, since it uses as much as digits as its factorization.

1055942155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66773.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 1055942155 is about 32495.2635779432. The cubic root of 1055942155 is about 1018.3100797723.

The spelling of 1055942155 in words is "one billion, fifty-five million, nine hundred forty-two thousand, one hundred fifty-five".