1055102621 has 12 divisors (see below), whose sum is σ = 1140271392. Its totient is φ = 974409744.

The previous prime is 1055102593. The next prime is 1055102627. The reversal of 1055102621 is 1262015501.

It is a happy number.

It is not a de Polignac number, because 1055102621 - 2¹⁴ = 1055086237 is a prime.

It is a super-2 number, since 2×1055102621² = 2226483081682139282, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055102627) 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 11 ways as a sum of consecutive naturals, for example, 7931 + ... + 46616.

It is an arithmetic number, because the mean of its divisors is an integer number (95022616).

Almost surely, 2^1055102621 is an apocalyptic number.

It is an amenable number.

1055102621 is a deficient number, since it is larger than the sum of its proper divisors (85168771).

1055102621 is an equidigital number, since it uses as much as digits as its factorization.

1055102621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54628 (or 54599 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1055102621 is about 32482.3432190475. The cubic root of 1055102621 is about 1018.0401367655.

The spelling of 1055102621 in words is "one billion, fifty-five million, one hundred two thousand, six hundred twenty-one".