121825026270 has 80 divisors (see below), whose sum is σ = 328980366000. Its totient is φ = 32347195776.

The previous prime is 121825026247. The next prime is 121825026277. The reversal of 121825026270 is 72620528121.

It is a happy number.

121825026270 is a `hidden beast` number, since 1 + 2 + 1 + 8 + 25 + 0 + 2 + 627 + 0 = 666.

121825026270 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121825026270² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121825026277) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 134020 + ... + 511479.

It is an arithmetic number, because the mean of its divisors is an integer number (4112254575).

Almost surely, 2^121825026270 is an apocalyptic number.

121825026270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121825026270 is an abundant number, since it is smaller than the sum of its proper divisors (207155339730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121825026270 is a wasteful number, since it uses less digits than its factorization.

121825026270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645751 (or 645742 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 121825026270 in words is "one hundred twenty-one billion, eight hundred twenty-five million, twenty-six thousand, two hundred seventy".