1137949 has 4 divisors (see below), whose sum is σ = 1141920. Its totient is φ = 1133980.

The previous prime is 1137937. The next prime is 1137953. The reversal of 1137949 is 9497311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9497311 = 113 ⋅84047.

It is a cyclic number.

It is not a de Polignac number, because 1137949 - 2¹³ = 1129757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137919) 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 3 ways as a sum of consecutive naturals, for example, 1519 + ... + 2140.

It is an arithmetic number, because the mean of its divisors is an integer number (285480).

2^1137949 is an apocalyptic number.

It is an amenable number.

1137949 is a deficient number, since it is larger than the sum of its proper divisors (3971).

1137949 is an equidigital number, since it uses as much as digits as its factorization.

1137949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970.

The product of its digits is 6804, while the sum is 34.

The square root of 1137949 is about 1066.7469240640. The cubic root of 1137949 is about 104.4017069836.

The spelling of 1137949 in words is "one million, one hundred thirty-seven thousand, nine hundred forty-nine".