121263430 has 16 divisors (see below), whose sum is σ = 224174160. Its totient is φ = 47194272.

The previous prime is 121263409. The next prime is 121263449. The reversal of 121263430 is 34362121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163500 + ... + 164239.

It is an arithmetic number, because the mean of its divisors is an integer number (14010885).

Almost surely, 2^121263430 is an apocalyptic number.

121263430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121263430 is a deficient number, since it is larger than the sum of its proper divisors (102910730).

121263430 is a wasteful number, since it uses less digits than its factorization.

121263430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327783.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 121263430 is about 11011.9675807732. The cubic root of 121263430 is about 494.9674229488.

The spelling of 121263430 in words is "one hundred twenty-one million, two hundred sixty-three thousand, four hundred thirty".