1137023028 has 48 divisors (see below), whose sum is σ = 3016404160. Its totient is φ = 370192032.

The previous prime is 1137023021. The next prime is 1137023051. The reversal of 1137023028 is 8203207311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1137022992 and 1137023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117775 + ... + 127062.

Almost surely, 2^1137023028 is an apocalyptic number.

1137023028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1137023028 is an abundant number, since it is smaller than the sum of its proper divisors (1879381132).

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

1137023028 is a wasteful number, since it uses less digits than its factorization.

1137023028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244893 (or 244885 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1137023028 is about 33719.7720632865. The cubic root of 1137023028 is about 1043.7338137593.

The spelling of 1137023028 in words is "one billion, one hundred thirty-seven million, twenty-three thousand, twenty-eight".