121237349797 has 8 divisors (see below), whose sum is σ = 122962881600. Its totient is φ = 119512317120.

The previous prime is 121237349789. The next prime is 121237349803. The reversal of 121237349797 is 797943732121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121237349797 - 2³ = 121237349789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121237349777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 378829 + ... + 621277.

It is an arithmetic number, because the mean of its divisors is an integer number (15370360200).

Almost surely, 2^121237349797 is an apocalyptic number.

It is an amenable number.

121237349797 is a deficient number, since it is larger than the sum of its proper divisors (1725531803).

121237349797 is an equidigital number, since it uses as much as digits as its factorization.

121237349797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249563.

The product of its digits is 4000752, while the sum is 55.

The spelling of 121237349797 in words is "one hundred twenty-one billion, two hundred thirty-seven million, three hundred forty-nine thousand, seven hundred ninety-seven".