1072272903 has 32 divisors (see below), whose sum is σ = 1633927680. Its totient is φ = 620442240.

The previous prime is 1072272881. The next prime is 1072272907. The reversal of 1072272903 is 3092722701.

It is not a de Polignac number, because 1072272903 - 2⁸ = 1072272647 is a prime.

It is a super-2 number, since 2×1072272903² = 2299538357016094818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072272907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42793 + ... + 63053.

It is an arithmetic number, because the mean of its divisors is an integer number (51060240).

Almost surely, 2^1072272903 is an apocalyptic number.

1072272903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1072272903 is a deficient number, since it is larger than the sum of its proper divisors (561654777).

1072272903 is a wasteful number, since it uses less digits than its factorization.

1072272903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20359.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 1072272903 is about 32745.5783732705. The cubic root of 1072272903 is about 1023.5328294891.

The spelling of 1072272903 in words is "one billion, seventy-two million, two hundred seventy-two thousand, nine hundred three".