123674121129 has 8 divisors (see below), whose sum is σ = 177583353472. Its totient is φ = 76107151440.

The previous prime is 123674121119. The next prime is 123674121133. The reversal of 123674121129 is 921121476321.

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

It is not a de Polignac number, because 123674121129 - 2⁸ = 123674120873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3171131311 = 123674121129 / (1 + 2 + 3 + 6 + 7 + 4 + 1 + 2 + 1 + 1 + 2 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123674121119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585565617 + ... + 1585565694.

It is an arithmetic number, because the mean of its divisors is an integer number (22197919184).

Almost surely, 2^123674121129 is an apocalyptic number.

It is an amenable number.

123674121129 is a deficient number, since it is larger than the sum of its proper divisors (53909232343).

123674121129 is a wasteful number, since it uses less digits than its factorization.

123674121129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171131327.

The product of its digits is 36288, while the sum is 39.

The spelling of 123674121129 in words is "one hundred twenty-three billion, six hundred seventy-four million, one hundred twenty-one thousand, one hundred twenty-nine".