1045272371 has 16 divisors (see below), whose sum is σ = 1230163200. Its totient is φ = 875615520.

The previous prime is 1045272343. The next prime is 1045272377. The reversal of 1045272371 is 1732725401.

It is not a de Polignac number, because 1045272371 - 2²² = 1041078067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045272377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79556 + ... + 91758.

It is an arithmetic number, because the mean of its divisors is an integer number (76885200).

Almost surely, 2^1045272371 is an apocalyptic number.

1045272371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1045272371 is a deficient number, since it is larger than the sum of its proper divisors (184890829).

1045272371 is a wasteful number, since it uses less digits than its factorization.

1045272371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12826.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1045272371 is about 32330.6722942781. The cubic root of 1045272371 is about 1014.8686188106.

Adding to 1045272371 its reverse (1732725401), we get a palindrome (2777997772).

The spelling of 1045272371 in words is "one billion, forty-five million, two hundred seventy-two thousand, three hundred seventy-one".