121263725746 has 32 divisors (see below), whose sum is σ = 201003441408. Its totient is φ = 54574840320.

The previous prime is 121263725717. The next prime is 121263725747. The reversal of 121263725746 is 647527362121.

It is a super-2 number, since 2×121263725746² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 121263725696 and 121263725705.

It is not an unprimeable number, because it can be changed into a prime (121263725747) 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, 6779611 + ... + 6797473.

It is an arithmetic number, because the mean of its divisors is an integer number (6281357544).

Almost surely, 2^121263725746 is an apocalyptic number.

121263725746 is a deficient number, since it is larger than the sum of its proper divisors (79739715662).

121263725746 is a wasteful number, since it uses less digits than its factorization.

121263725746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26586.

The product of its digits is 846720, while the sum is 46.

The spelling of 121263725746 in words is "one hundred twenty-one billion, two hundred sixty-three million, seven hundred twenty-five thousand, seven hundred forty-six".