121407003 has 6 divisors (see below), whose sum is σ = 175365684. Its totient is φ = 80937996.

The previous prime is 121406959. The next prime is 121407007. The reversal of 121407003 is 300704121.

It is not a de Polignac number, because 121407003 - 2⁶ = 121406939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121407007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6744825 + ... + 6744842.

It is an arithmetic number, because the mean of its divisors is an integer number (29227614).

Almost surely, 2^121407003 is an apocalyptic number.

121407003 is a deficient number, since it is larger than the sum of its proper divisors (53958681).

121407003 is a wasteful number, since it uses less digits than its factorization.

121407003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13489673 (or 13489670 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 121407003 is about 11018.4846054256. The cubic root of 121407003 is about 495.1626891012.

The spelling of 121407003 in words is "one hundred twenty-one million, four hundred seven thousand, three".