121427097883 has 16 divisors (see below), whose sum is σ = 149458611456. Its totient is φ = 96067838880.

The previous prime is 121427097877. The next prime is 121427097901. The reversal of 121427097883 is 388790724121.

It is not a de Polignac number, because 121427097883 - 2²¹ = 121425000731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121427097883.

It is not an unprimeable number, because it can be changed into a prime (121427097083) 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, 1731288 + ... + 1800058.

It is an arithmetic number, because the mean of its divisors is an integer number (9341163216).

Almost surely, 2^121427097883 is an apocalyptic number.

121427097883 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121427097883 is a deficient number, since it is larger than the sum of its proper divisors (28031513573).

121427097883 is a wasteful number, since it uses less digits than its factorization.

121427097883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88194.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 121427097883 in words is "one hundred twenty-one billion, four hundred twenty-seven million, ninety-seven thousand, eight hundred eighty-three".