1072917550 has 12 divisors (see below), whose sum is σ = 1995626736. Its totient is φ = 429167000.

The previous prime is 1072917541. The next prime is 1072917589. The reversal of 1072917550 is 557192701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10729126 + ... + 10729225.

It is an arithmetic number, because the mean of its divisors is an integer number (166302228).

Almost surely, 2^1072917550 is an apocalyptic number.

1072917550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072917550 is a deficient number, since it is larger than the sum of its proper divisors (922709186).

1072917550 is a wasteful number, since it uses less digits than its factorization.

1072917550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21458363 (or 21458358 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 1072917550 is about 32755.4201621655. The cubic root of 1072917550 is about 1023.7379032732.

The spelling of 1072917550 in words is "one billion, seventy-two million, nine hundred seventeen thousand, five hundred fifty".