1142401032 has 48 divisors (see below), whose sum is σ = 3104141040. Its totient is φ = 379552608.

The previous prime is 1142401019. The next prime is 1142401033. The reversal of 1142401032 is 2301042411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1142400996 and 1142401014.

It is not an unprimeable number, because it can be changed into a prime (1142401033) 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, 3738 + ... + 47945.

It is an arithmetic number, because the mean of its divisors is an integer number (64669605).

Almost surely, 2^1142401032 is an apocalyptic number.

1142401032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142401032 is an abundant number, since it is smaller than the sum of its proper divisors (1961740008).

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

1142401032 is a wasteful number, since it uses less digits than its factorization.

1142401032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52002 (or 51995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1142401032 is about 33799.4235453802. The cubic root of 1142401032 is about 1045.3768112202.

Adding to 1142401032 its reverse (2301042411), we get a palindrome (3443443443).

The spelling of 1142401032 in words is "one billion, one hundred forty-two million, four hundred one thousand, thirty-two".