1142407912 has 8 divisors (see below), whose sum is σ = 2142014850. Its totient is φ = 571203952.

The previous prime is 1142407867. The next prime is 1142407913. The reversal of 1142407912 is 2197042411.

It can be written as a sum of positive squares in only one way, i.e., 914820516 + 227587396 = 30246^2 + 15086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1142407913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71400487 + ... + 71400502.

Almost surely, 2^1142407912 is an apocalyptic number.

It is an amenable number.

1142407912 is a deficient number, since it is larger than the sum of its proper divisors (999606938).

1142407912 is a wasteful number, since it uses less digits than its factorization.

1142407912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142800995 (or 142800991 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1142407912 is about 33799.5253221107. The cubic root of 1142407912 is about 1045.3789097763.

The spelling of 1142407912 in words is "one billion, one hundred forty-two million, four hundred seven thousand, nine hundred twelve".