1132639 has 2 divisors, whose sum is σ = 1132640. Its totient is φ = 1132638.

The previous prime is 1132633. The next prime is 1132643. The reversal of 1132639 is 9362311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1132639 - 2⁷ = 1132511 is a prime.

It is a super-2 number, since 2×1132639² = 2565742208642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566319 + 566320.

It is an arithmetic number, because the mean of its divisors is an integer number (566320).

2^1132639 is an apocalyptic number.

1132639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132639 is an equidigital number, since it uses as much as digits as its factorization.

1132639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 25.

The square root of 1132639 is about 1064.2551385828. The cubic root of 1132639 is about 104.2390641953.

It can be divided in two parts, 1132 and 639, that added together give a palindrome (1771).

The spelling of 1132639 in words is "one million, one hundred thirty-two thousand, six hundred thirty-nine".