121623102 has 24 divisors (see below), whose sum is σ = 265139784. Its totient is φ = 40291344.

The previous prime is 121623091. The next prime is 121623113. The reversal of 121623102 is 201326121.

It is an interprime number because it is at equal distance from previous prime (121623091) and next prime (121623113).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17793 + ... + 23660.

It is an arithmetic number, because the mean of its divisors is an integer number (11047491).

Almost surely, 2^121623102 is an apocalyptic number.

121623102 is an abundant number, since it is smaller than the sum of its proper divisors (143516682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121623102 is a wasteful number, since it uses less digits than its factorization.

121623102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41624 (or 41621 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121623102 is about 11028.2864489457. The cubic root of 121623102 is about 495.4563040616.

Adding to 121623102 its reverse (201326121), we get a palindrome (322949223).

The spelling of 121623102 in words is "one hundred twenty-one million, six hundred twenty-three thousand, one hundred two".