121436149400 has 48 divisors (see below), whose sum is σ = 283437762840. Its totient is φ = 48385433600.

The previous prime is 121436149399. The next prime is 121436149447. The reversal of 121436149400 is 4941634121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129886 + ... + 1232685.

Almost surely, 2^121436149400 is an apocalyptic number.

121436149400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121436149400 is an abundant number, since it is smaller than the sum of its proper divisors (162001613440).

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

121436149400 is a wasteful number, since it uses less digits than its factorization.

121436149400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362844 (or 2362835 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 121436149400 in words is "one hundred twenty-one billion, four hundred thirty-six million, one hundred forty-nine thousand, four hundred".