1131244039 has 8 divisors (see below), whose sum is σ = 1198214208. Its totient is φ = 1064321280.

The previous prime is 1131244001. The next prime is 1131244061. The reversal of 1131244039 is 9304421311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131244039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131243998 and 1131244016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131244069) 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, 45154 + ... + 65584.

It is an arithmetic number, because the mean of its divisors is an integer number (149776776).

Almost surely, 2^1131244039 is an apocalyptic number.

1131244039 is a deficient number, since it is larger than the sum of its proper divisors (66970169).

1131244039 is a wasteful number, since it uses less digits than its factorization.

1131244039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1131244039 is about 33633.9715020394. The cubic root of 1131244039 is about 1041.9625291840.

The spelling of 1131244039 in words is "one billion, one hundred thirty-one million, two hundred forty-four thousand, thirty-nine".