1142430401 has 32 divisors (see below), whose sum is σ = 1387266048. Its totient is φ = 919733760.

The previous prime is 1142430397. The next prime is 1142430403. The reversal of 1142430401 is 1040342411.

It is not a de Polignac number, because 1142430401 - 2² = 1142430397 is a prime.

It is a super-2 number, since 2×1142430401² = 2610294442258041602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1142430403) 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, 2982656 + ... + 2983038.

It is an arithmetic number, because the mean of its divisors is an integer number (43352064).

Almost surely, 2^1142430401 is an apocalyptic number.

It is an amenable number.

1142430401 is a deficient number, since it is larger than the sum of its proper divisors (244835647).

1142430401 is a wasteful number, since it uses less digits than its factorization.

1142430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1142430401 is about 33799.8580026603. The cubic root of 1142430401 is about 1045.3857693728.

Adding to 1142430401 its reverse (1040342411), we get a palindrome (2182772812).

The spelling of 1142430401 in words is "one billion, one hundred forty-two million, four hundred thirty thousand, four hundred one".