121102372 has 6 divisors (see below), whose sum is σ = 211929158. Its totient is φ = 60551184.

The previous prime is 121102367. The next prime is 121102381. The reversal of 121102372 is 273201121.

It can be written as a sum of positive squares in only one way, i.e., 61873956 + 59228416 = 7866^2 + 7696^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15137793 + ... + 15137800.

Almost surely, 2^121102372 is an apocalyptic number.

It is an amenable number.

121102372 is a deficient number, since it is larger than the sum of its proper divisors (90826786).

121102372 is a wasteful number, since it uses less digits than its factorization.

121102372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30275597 (or 30275595 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 121102372 is about 11004.6522889185. The cubic root of 121102372 is about 494.7481928467.

Adding to 121102372 its reverse (273201121), we get a palindrome (394303493).

The spelling of 121102372 in words is "one hundred twenty-one million, one hundred two thousand, three hundred seventy-two".