1201432142 has 8 divisors (see below), whose sum is σ = 1840491936. Its totient is φ = 587934832.

The previous prime is 1201432139. The next prime is 1201432153. The reversal of 1201432142 is 2412341021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6390503 + ... + 6390690.

It is an arithmetic number, because the mean of its divisors is an integer number (230061492).

Almost surely, 2^1201432142 is an apocalyptic number.

1201432142 is a deficient number, since it is larger than the sum of its proper divisors (639059794).

1201432142 is a wasteful number, since it uses less digits than its factorization.

1201432142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12781242.

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

The square root of 1201432142 is about 34661.6811767693. The cubic root of 1201432142 is about 1063.0811449994.

Adding to 1201432142 its reverse (2412341021), we get a palindrome (3613773163).

The spelling of 1201432142 in words is "one billion, two hundred one million, four hundred thirty-two thousand, one hundred forty-two".