1142400412 has 24 divisors (see below), whose sum is σ = 2018404080. Its totient is φ = 565733760.

The previous prime is 1142400397. The next prime is 1142400431. The reversal of 1142400412 is 2140042411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142400412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254088 + ... + 258544.

It is an arithmetic number, because the mean of its divisors is an integer number (84100170).

Almost surely, 2^1142400412 is an apocalyptic number.

It is an amenable number.

1142400412 is a deficient number, since it is larger than the sum of its proper divisors (876003668).

1142400412 is a wasteful number, since it uses less digits than its factorization.

1142400412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061 (or 5059 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1142400412 is about 33799.4143736249. The cubic root of 1142400412 is about 1045.3766221057.

Adding to 1142400412 its reverse (2140042411), we get a palindrome (3282442823).

The spelling of 1142400412 in words is "one billion, one hundred forty-two million, four hundred thousand, four hundred twelve".