151234979 has 4 divisors (see below), whose sum is σ = 172839984. Its totient is φ = 129629976.

The previous prime is 151234973. The next prime is 151234997. The reversal of 151234979 is 979432151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 151234979 - 2⁸ = 151234723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151234973) 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, 10802492 + ... + 10802505.

It is an arithmetic number, because the mean of its divisors is an integer number (43209996).

Almost surely, 2^151234979 is an apocalyptic number.

151234979 is a deficient number, since it is larger than the sum of its proper divisors (21605005).

151234979 is an equidigital number, since it uses as much as digits as its factorization.

151234979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21605004.

The product of its digits is 68040, while the sum is 41.

The square root of 151234979 is about 12297.7631705933. The cubic root of 151234979 is about 532.7834798807.

It can be divided in two parts, 15123 and 4979, that added together give a palindrome (20102).

The spelling of 151234979 in words is "one hundred fifty-one million, two hundred thirty-four thousand, nine hundred seventy-nine".