121262402 has 4 divisors (see below), whose sum is σ = 181893606. Its totient is φ = 60631200.

The previous prime is 121262381. The next prime is 121262413. The reversal of 121262402 is 204262121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96452041 + 24810361 = 9821^2 + 4981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30315599 + ... + 30315602.

Almost surely, 2^121262402 is an apocalyptic number.

121262402 is a deficient number, since it is larger than the sum of its proper divisors (60631204).

121262402 is an equidigital number, since it uses as much as digits as its factorization.

121262402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60631203.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 121262402 is about 11011.9209041838. The cubic root of 121262402 is about 494.9660242640.

The spelling of 121262402 in words is "one hundred twenty-one million, two hundred sixty-two thousand, four hundred two".