1055215703 has 8 divisors (see below), whose sum is σ = 1080086400. Its totient is φ = 1030623160.

The previous prime is 1055215669. The next prime is 1055215709. The reversal of 1055215703 is 3075125501.

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 1055215703 - 2⁶ = 1055215639 is a prime.

It is a super-2 number, since 2×1055215703² = 2226960359715568418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055215709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61853 + ... + 77046.

It is an arithmetic number, because the mean of its divisors is an integer number (135010800).

Almost surely, 2^1055215703 is an apocalyptic number.

1055215703 is a deficient number, since it is larger than the sum of its proper divisors (24870697).

1055215703 is a wasteful number, since it uses less digits than its factorization.

1055215703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139077.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1055215703 is about 32484.0838411675. The cubic root of 1055215703 is about 1018.0765053929.

The spelling of 1055215703 in words is "one billion, fifty-five million, two hundred fifteen thousand, seven hundred three".