1149742320 has 40 divisors (see below), whose sum is σ = 3564201936. Its totient is φ = 306597888.

The previous prime is 1149742313. The next prime is 1149742327. The reversal of 1149742320 is 232479411.

It is an interprime number because it is at equal distance from previous prime (1149742313) and next prime (1149742327).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149742327) 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, 2395057 + ... + 2395536.

Almost surely, 2^1149742320 is an apocalyptic number.

1149742320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1149742320 is an abundant number, since it is smaller than the sum of its proper divisors (2414459616).

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

1149742320 is a wasteful number, since it uses less digits than its factorization.

1149742320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790609 (or 4790603 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1149742320 is about 33907.8504184503. The cubic root of 1149742320 is about 1047.6112955454.

The spelling of 1149742320 in words is "one billion, one hundred forty-nine million, seven hundred forty-two thousand, three hundred twenty".