1137381 has 16 divisors (see below), whose sum is σ = 1776768. Its totient is φ = 633600.

The previous prime is 1137341. The next prime is 1137403. The reversal of 1137381 is 1837311.

It is not a de Polignac number, because 1137381 - 2⁹ = 1136869 is a prime.

It is a super-2 number, since 2×1137381² = 2587271078322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (111048).

2^1137381 is an apocalyptic number.

It is an amenable number.

1137381 is a deficient number, since it is larger than the sum of its proper divisors (639387).

1137381 is a wasteful number, since it uses less digits than its factorization.

1137381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its digits is 504, while the sum is 24.

The square root of 1137381 is about 1066.4806608654. The cubic root of 1137381 is about 104.3843336102.

The spelling of 1137381 in words is "one million, one hundred thirty-seven thousand, three hundred eighty-one".