121400015303 has 16 divisors (see below), whose sum is σ = 145150838784. Its totient is φ = 99359183040.

The previous prime is 121400015251. The next prime is 121400015371. The reversal of 121400015303 is 303510004121.

It is a cyclic number.

It is not a de Polignac number, because 121400015303 - 2³⁴ = 104220146119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121400015003) 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, 4486475 + ... + 4513452.

It is an arithmetic number, because the mean of its divisors is an integer number (9071927424).

Almost surely, 2^121400015303 is an apocalyptic number.

121400015303 is a deficient number, since it is larger than the sum of its proper divisors (23750823481).

121400015303 is an equidigital number, since it uses as much as digits as its factorization.

121400015303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000022.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 121400015303 its reverse (303510004121), we get a palindrome (424910019424).

The spelling of 121400015303 in words is "one hundred twenty-one billion, four hundred million, fifteen thousand, three hundred three".