1139502 has 32 divisors (see below), whose sum is σ = 2806272. Its totient is φ = 300384.

The previous prime is 1139491. The next prime is 1139503. The reversal of 1139502 is 2059311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498 + ... + 1589.

It is an arithmetic number, because the mean of its divisors is an integer number (87696).

2^1139502 is an apocalyptic number.

1139502 is an abundant number, since it is smaller than the sum of its proper divisors (1666770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139502 is a wasteful number, since it uses less digits than its factorization.

1139502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 1139502 is about 1067.4745898615. The cubic root of 1139502 is about 104.4491789849.

The spelling of 1139502 in words is "one million, one hundred thirty-nine thousand, five hundred two".