1952123979 has 16 divisors (see below), whose sum is σ = 2809078272. Its totient is φ = 1198723488.

The previous prime is 1952123977. The next prime is 1952123981. The reversal of 1952123979 is 9793212591.

It is an interprime number because it is at equal distance from previous prime (1952123977) and next prime (1952123981).

It is not a de Polignac number, because 1952123979 - 2¹ = 1952123977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1952123977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35379 + ... + 71804.

It is an arithmetic number, because the mean of its divisors is an integer number (175567392).

Almost surely, 2^1952123979 is an apocalyptic number.

1952123979 is a deficient number, since it is larger than the sum of its proper divisors (856954293).

1952123979 is a wasteful number, since it uses less digits than its factorization.

1952123979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107666.

The product of its digits is 306180, while the sum is 48.

The square root of 1952123979 is about 44182.8471128785. The cubic root of 1952123979 is about 1249.7864123597.

The spelling of 1952123979 in words is "one billion, nine hundred fifty-two million, one hundred twenty-three thousand, nine hundred seventy-nine".