1140392 has 16 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 518320.

The previous prime is 1140389. The next prime is 1140413. The reversal of 1140392 is 2930411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6392 + ... + 6567.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^1140392 is an apocalyptic number.

It is an amenable number.

1140392 is an abundant number, since it is smaller than the sum of its proper divisors (1192408).

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

1140392 is a wasteful number, since it uses less digits than its factorization.

1140392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12976 (or 12972 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1140392 is about 1067.8913802443. The cubic root of 1140392 is about 104.4763650065.

It can be divided in two parts, 11403 and 92, that multiplied together give a triangular number (1049076 = T₁₄₄₈).

The spelling of 1140392 in words is "one million, one hundred forty thousand, three hundred ninety-two".