1142571324 has 12 divisors (see below), whose sum is σ = 2665999784. Its totient is φ = 380857104.

The previous prime is 1142571323. The next prime is 1142571329. The reversal of 1142571324 is 4231752411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1142571324² = 2610938460854225952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142571291 and 1142571300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142571323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47607127 + ... + 47607150.

Almost surely, 2^1142571324 is an apocalyptic number.

It is an amenable number.

1142571324 is an abundant number, since it is smaller than the sum of its proper divisors (1523428460).

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

1142571324 is a wasteful number, since it uses less digits than its factorization.

1142571324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95214284 (or 95214282 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 1142571324 is about 33801.9426068976. The cubic root of 1142571324 is about 1045.4287516679.

The spelling of 1142571324 in words is "one billion, one hundred forty-two million, five hundred seventy-one thousand, three hundred twenty-four".