121102445 has 8 divisors (see below), whose sum is σ = 146054400. Its totient is φ = 96394320.

The previous prime is 121102417. The next prime is 121102459. The reversal of 121102445 is 544201121.

It is a happy number.

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

It is not a de Polignac number, because 121102445 - 2⁶ = 121102381 is a prime.

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, 59861 + ... + 61850.

It is an arithmetic number, because the mean of its divisors is an integer number (18256800).

Almost surely, 2^121102445 is an apocalyptic number.

It is an amenable number.

121102445 is a deficient number, since it is larger than the sum of its proper divisors (24951955).

121102445 is a wasteful number, since it uses less digits than its factorization.

121102445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121915.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 121102445 is about 11004.6556056971. The cubic root of 121102445 is about 494.7482922574.

Adding to 121102445 its reverse (544201121), we get a palindrome (665303566).

The spelling of 121102445 in words is "one hundred twenty-one million, one hundred two thousand, four hundred forty-five".