1501272099 has 18 divisors (see below), whose sum is σ = 2283406580. Its totient is φ = 947851848.

The previous prime is 1501272041. The next prime is 1501272103. The reversal of 1501272099 is 9902721051.

It is not a de Polignac number, because 1501272099 - 2¹² = 1501268003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1501202099) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 505192 + ... + 508154.

Almost surely, 2^1501272099 is an apocalyptic number.

1501272099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1501272099 is a deficient number, since it is larger than the sum of its proper divisors (782134481).

1501272099 is an frugal number, since it uses more digits than its factorization.

1501272099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 1501272099 is about 38746.2527091330. The cubic root of 1501272099 is about 1145.0377488619.

The spelling of 1501272099 in words is "one billion, five hundred one million, two hundred seventy-two thousand, ninety-nine".