1142131401 has 32 divisors (see below), whose sum is σ = 1858560000. Its totient is φ = 689976144.

The previous prime is 1142131391. The next prime is 1142131409. The reversal of 1142131401 is 1041312411.

It is not a de Polignac number, because 1142131401 - 2²¹ = 1140034249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142131409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36601 + ... + 60198.

It is an arithmetic number, because the mean of its divisors is an integer number (58080000).

Almost surely, 2^1142131401 is an apocalyptic number.

It is an amenable number.

1142131401 is a deficient number, since it is larger than the sum of its proper divisors (716428599).

1142131401 is a wasteful number, since it uses less digits than its factorization.

1142131401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96850 (or 96844 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1142131401 is about 33795.4346177113. The cubic root of 1142131401 is about 1045.2945610105.

Adding to 1142131401 its reverse (1041312411), we get a palindrome (2183443812).

The spelling of 1142131401 in words is "one billion, one hundred forty-two million, one hundred thirty-one thousand, four hundred one".