1137996 has 48 divisors (see below), whose sum is σ = 3034080. Its totient is φ = 368640.

The previous prime is 1137991. The next prime is 1138019. The reversal of 1137996 is 6997311.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137996.

It is not an unprimeable number, because it can be changed into a prime (1137991) 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, 4300 + ... + 4556.

It is an arithmetic number, because the mean of its divisors is an integer number (63210).

2^1137996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1137996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517040).

1137996 is an abundant number, since it is smaller than the sum of its proper divisors (1896084).

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

1137996 is a wasteful number, since it uses less digits than its factorization.

1137996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 303 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 1137996 is about 1066.7689534290. The cubic root of 1137996 is about 104.4031443101.

The spelling of 1137996 in words is "one million, one hundred thirty-seven thousand, nine hundred ninety-six".