1499628172 has 12 divisors (see below), whose sum is σ = 2999256400. Its totient is φ = 642697776.

The previous prime is 1499628161. The next prime is 1499628173. The reversal of 1499628172 is 2718269941.

1499628172 is an admirable number.

It is a super-3 number, since 3×1499628172³ (a number of 29 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1499628173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26779047 + ... + 26779102.

Almost surely, 2^1499628172 is an apocalyptic number.

It is an amenable number.

1499628172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1499628172 is a wasteful number, since it uses less digits than its factorization.

1499628172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53558160 (or 53558158 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 1499628172 is about 38725.0328857188. The cubic root of 1499628172 is about 1144.6196487796.

The spelling of 1499628172 in words is "one billion, four hundred ninety-nine million, six hundred twenty-eight thousand, one hundred seventy-two".