1232451442 has 8 divisors (see below), whose sum is σ = 1878983532. Its totient is φ = 606123600.

The previous prime is 1232451439. The next prime is 1232451443. The reversal of 1232451442 is 2441542321.

It can be written as a sum of positive squares in 2 ways, for example, as 871489441 + 360962001 = 29521^2 + 18999^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1232451442.

It is not an unprimeable number, because it can be changed into a prime (1232451443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050909 + ... + 5051152.

Almost surely, 2^1232451442 is an apocalyptic number.

1232451442 is a deficient number, since it is larger than the sum of its proper divisors (646532090).

1232451442 is a wasteful number, since it uses less digits than its factorization.

1232451442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102124.

The product of its digits is 7680, while the sum is 28.

The square root of 1232451442 is about 35106.2877843842. The cubic root of 1232451442 is about 1072.1526065741.

Adding to 1232451442 its reverse (2441542321), we get a palindrome (3673993763).

The spelling of 1232451442 in words is "one billion, two hundred thirty-two million, four hundred fifty-one thousand, four hundred forty-two".