121823702475 has 24 divisors (see below), whose sum is σ = 201485072880. Its totient is φ = 64950097920.

The previous prime is 121823702467. The next prime is 121823702489. The reversal of 121823702475 is 574207328121.

It is a happy number.

It is not a de Polignac number, because 121823702475 - 2³ = 121823702467 is a prime.

It is a super-2 number, since 2×121823702475² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63070 + ... + 497619.

It is an arithmetic number, because the mean of its divisors is an integer number (8395211370).

Almost surely, 2^121823702475 is an apocalyptic number.

121823702475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121823702475 is a deficient number, since it is larger than the sum of its proper divisors (79661370405).

121823702475 is a wasteful number, since it uses less digits than its factorization.

121823702475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563599 (or 563594 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 121823702475 in words is "one hundred twenty-one billion, eight hundred twenty-three million, seven hundred two thousand, four hundred seventy-five".