1137802120 has 64 divisors (see below), whose sum is σ = 3150846720. Its totient is φ = 360094464.

The previous prime is 1137802109. The next prime is 1137802121. The reversal of 1137802120 is 212087311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1137802121) 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, 152652 + ... + 159931.

It is an arithmetic number, because the mean of its divisors is an integer number (49231980).

Almost surely, 2^1137802120 is an apocalyptic number.

1137802120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1137802120 is an abundant number, since it is smaller than the sum of its proper divisors (2013044600).

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

1137802120 is a wasteful number, since it uses less digits than its factorization.

1137802120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312614 (or 312610 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1137802120 is about 33731.3225355900. The cubic root of 1137802120 is about 1043.9721493038.

Adding to 1137802120 its reverse (212087311), we get a palindrome (1349889431).

The spelling of 1137802120 in words is "one billion, one hundred thirty-seven million, eight hundred two thousand, one hundred twenty".