1142396320 has 48 divisors (see below), whose sum is σ = 2906525160. Its totient is φ = 421807104.

The previous prime is 1142396317. The next prime is 1142396323. The reversal of 1142396320 is 236932411.

It is an interprime number because it is at equal distance from previous prime (1142396317) and next prime (1142396323).

It can be written as a sum of positive squares in 4 ways, for example, as 383063184 + 759333136 = 19572^2 + 27556^2 .

It is not an unprimeable number, because it can be changed into a prime (1142396323) 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, 272535 + ... + 276694.

Almost surely, 2^1142396320 is an apocalyptic number.

1142396320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142396320 is an abundant number, since it is smaller than the sum of its proper divisors (1764128840).

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

1142396320 is a wasteful number, since it uses less digits than its factorization.

1142396320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549257 (or 549249 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 1142396320 is about 33799.3538399775. The cubic root of 1142396320 is about 1045.3753739484.

The spelling of 1142396320 in words is "one billion, one hundred forty-two million, three hundred ninety-six thousand, three hundred twenty".