1137890 has 16 divisors (see below), whose sum is σ = 2206008. Its totient is φ = 420096.

The previous prime is 1137889. The next prime is 1137911. The reversal of 1137890 is 987311.

It can be written as a sum of positive squares in 4 ways, for example, as 923521 + 214369 = 961^2 + 463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 4506.

2^1137890 is an apocalyptic number.

1137890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1137890 is a deficient number, since it is larger than the sum of its proper divisors (1068118).

1137890 is a wasteful number, since it uses less digits than its factorization.

1137890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1137890 is about 1066.7192695363. The cubic root of 1137890 is about 104.3999026242.

The spelling of 1137890 in words is "one million, one hundred thirty-seven thousand, eight hundred ninety".