1142471652 has 36 divisors (see below), whose sum is σ = 3100996080. Its totient is φ = 326420304.

The previous prime is 1142471651. The next prime is 1142471669. The reversal of 1142471652 is 2561742411.

It is not an unprimeable number, because it can be changed into a prime (1142471651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 970902 + ... + 972077.

It is an arithmetic number, because the mean of its divisors is an integer number (86138780).

Almost surely, 2^1142471652 is an apocalyptic number.

1142471652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142471652 is an abundant number, since it is smaller than the sum of its proper divisors (1958524428).

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

1142471652 is a wasteful number, since it uses less digits than its factorization.

1142471652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943000 (or 1942991 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 1142471652 is about 33800.4682216090. The cubic root of 1142471652 is about 1045.3983515221.

The spelling of 1142471652 in words is "one billion, one hundred forty-two million, four hundred seventy-one thousand, six hundred fifty-two".