1137020380 has 24 divisors (see below), whose sum is σ = 2388496320. Its totient is φ = 454664640.

The previous prime is 1137020317. The next prime is 1137020383. The reversal of 1137020380 is 830207311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137020383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75306 + ... + 89134.

It is an arithmetic number, because the mean of its divisors is an integer number (99520680).

Almost surely, 2^1137020380 is an apocalyptic number.

1137020380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137020380 is an abundant number, since it is smaller than the sum of its proper divisors (1251475940).

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

1137020380 is a wasteful number, since it uses less digits than its factorization.

1137020380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17949 (or 17947 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1137020380 is about 33719.7327984668. The cubic root of 1137020380 is about 1043.7330035121.

Adding to 1137020380 its reverse (830207311), we get a palindrome (1967227691).

The spelling of 1137020380 in words is "one billion, one hundred thirty-seven million, twenty thousand, three hundred eighty".