1142012424 has 48 divisors (see below), whose sum is σ = 3321162000. Its totient is φ = 326288928.

The previous prime is 1142012411. The next prime is 1142012467. The reversal of 1142012424 is 4242102411.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1142012424.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484374 + ... + 486725.

It is an arithmetic number, because the mean of its divisors is an integer number (69190875).

Almost surely, 2^1142012424 is an apocalyptic number.

1142012424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1142012424 is an abundant number, since it is smaller than the sum of its proper divisors (2179149576).

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

1142012424 is a wasteful number, since it uses less digits than its factorization.

1142012424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971122 (or 971111 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1142012424 is about 33793.6743193160. The cubic root of 1142012424 is about 1045.2582632811.

Adding to 1142012424 its reverse (4242102411), we get a palindrome (5384114835).

The spelling of 1142012424 in words is "one billion, one hundred forty-two million, twelve thousand, four hundred twenty-four".