121007402 has 8 divisors (see below), whose sum is σ = 181638912. Its totient is φ = 60461100.

The previous prime is 121007399. The next prime is 121007413. The reversal of 121007402 is 204700121.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 17624 + ... + 23507.

It is an arithmetic number, because the mean of its divisors is an integer number (22704864).

Almost surely, 2^121007402 is an apocalyptic number.

121007402 is a deficient number, since it is larger than the sum of its proper divisors (60631510).

121007402 is a wasteful number, since it uses less digits than its factorization.

121007402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42604.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 121007402 is about 11000.3364494001. The cubic root of 121007402 is about 494.6188297774.

Adding to 121007402 its reverse (204700121), we get a palindrome (325707523).

The spelling of 121007402 in words is "one hundred twenty-one million, seven thousand, four hundred two".