123964961241 has 16 divisors (see below), whose sum is σ = 180323167680. Its totient is φ = 75125905920.

The previous prime is 123964961233. The next prime is 123964961243. The reversal of 123964961241 is 142169469321.

It is not a de Polignac number, because 123964961241 - 2³ = 123964961233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123964961243) 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, 520225 + ... + 720113.

It is an arithmetic number, because the mean of its divisors is an integer number (11270197980).

Almost surely, 2^123964961241 is an apocalyptic number.

123964961241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123964961241 is a deficient number, since it is larger than the sum of its proper divisors (56358206439).

123964961241 is a wasteful number, since it uses less digits than its factorization.

123964961241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218696.

The product of its digits is 559872, while the sum is 48.

The spelling of 123964961241 in words is "one hundred twenty-three billion, nine hundred sixty-four million, nine hundred sixty-one thousand, two hundred forty-one".