121352404 has 12 divisors (see below), whose sum is σ = 216374004. Its totient is φ = 59531264.

The previous prime is 121352369. The next prime is 121352431. The reversal of 121352404 is 404253121.

It can be written as a sum of positive squares in 2 ways, for example, as 39087504 + 82264900 = 6252^2 + 9070^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285997 + ... + 286420.

It is an arithmetic number, because the mean of its divisors is an integer number (18031167).

Almost surely, 2^121352404 is an apocalyptic number.

It is an amenable number.

121352404 is a deficient number, since it is larger than the sum of its proper divisors (95021600).

121352404 is a wasteful number, since it uses less digits than its factorization.

121352404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572474 (or 572472 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121352404 is about 11016.0067174998. The cubic root of 121352404 is about 495.0884499970.

The spelling of 121352404 in words is "one hundred twenty-one million, three hundred fifty-two thousand, four hundred four".