1072270556 has 24 divisors (see below), whose sum is σ = 2145239040. Its totient is φ = 459394992.

The previous prime is 1072270547. The next prime is 1072270571. The reversal of 1072270556 is 6550722701.

It is a happy number.

It is a super-2 number, since 2×1072270556² = 2299528290529098272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 150605 + ... + 157563.

It is an arithmetic number, because the mean of its divisors is an integer number (89384960).

Almost surely, 2^1072270556 is an apocalyptic number.

It is an amenable number.

1072270556 is an abundant number, since it is smaller than the sum of its proper divisors (1072968484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1072270556 is a wasteful number, since it uses less digits than its factorization.

1072270556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473 (or 12471 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 1072270556 is about 32745.5425363514. The cubic root of 1072270556 is about 1023.5320827162.

The spelling of 1072270556 in words is "one billion, seventy-two million, two hundred seventy thousand, five hundred fifty-six".