1055742231 has 32 divisors (see below), whose sum is σ = 1475020800. Its totient is φ = 670924800.

The previous prime is 1055742229. The next prime is 1055742241. The reversal of 1055742231 is 1322475501.

It is not a de Polignac number, because 1055742231 - 2¹ = 1055742229 is a prime.

It is a super-2 number, since 2×1055742231² = 2229183316633714722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055742241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2351095 + ... + 2351543.

It is an arithmetic number, because the mean of its divisors is an integer number (46094400).

Almost surely, 2^1055742231 is an apocalyptic number.

1055742231 is a deficient number, since it is larger than the sum of its proper divisors (419278569).

1055742231 is a wasteful number, since it uses less digits than its factorization.

1055742231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 1055742231 is about 32492.1872301635. The cubic root of 1055742231 is about 1018.2458093722.

The spelling of 1055742231 in words is "one billion, fifty-five million, seven hundred forty-two thousand, two hundred thirty-one".