1140939 has 8 divisors (see below), whose sum is σ = 1690320. Its totient is φ = 760608.

The previous prime is 1140929. The next prime is 1140949. The reversal of 1140939 is 9390411.

It is an interprime number because it is at equal distance from previous prime (1140929) and next prime (1140949).

It is not a de Polignac number, because 1140939 - 2¹² = 1136843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 42257 = 1140939 / (1 + 1 + 4 + 0 + 9 + 3 + 9).

It is not an unprimeable number, because it can be changed into a prime (1140929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21102 + ... + 21155.

It is an arithmetic number, because the mean of its divisors is an integer number (211290).

2^1140939 is an apocalyptic number.

1140939 is a deficient number, since it is larger than the sum of its proper divisors (549381).

1140939 is an equidigital number, since it uses as much as digits as its factorization.

1140939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42266 (or 42260 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1140939 is about 1068.1474617299. The cubic root of 1140939 is about 104.4930667012.

The spelling of 1140939 in words is "one million, one hundred forty thousand, nine hundred thirty-nine".