1139252 has 6 divisors (see below), whose sum is σ = 1993698. Its totient is φ = 569624.

The previous prime is 1139249. The next prime is 1139263. The reversal of 1139252 is 2529311.

It can be written as a sum of positive squares in only one way, i.e., 682276 + 456976 = 826^2 + 676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142403 + ... + 142410.

It is an arithmetic number, because the mean of its divisors is an integer number (332283).

2^1139252 is an apocalyptic number.

It is an amenable number.

1139252 is a deficient number, since it is larger than the sum of its proper divisors (854446).

1139252 is a wasteful number, since it uses less digits than its factorization.

1139252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284817 (or 284815 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 1139252 is about 1067.3574846320. The cubic root of 1139252 is about 104.4415399155.

The spelling of 1139252 in words is "one million, one hundred thirty-nine thousand, two hundred fifty-two".