121254102 has 12 divisors (see below), whose sum is σ = 262717260. Its totient is φ = 40418028.

The previous prime is 121254101. The next prime is 121254103. The reversal of 121254102 is 201452121.

121254102 is a `hidden beast` number, since 121 + 2 + 541 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (121254101) and next prime (121254103).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 6736339 = 121254102 / (1 + 2 + 1 + 2 + 5 + 4 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121254101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3368152 + ... + 3368187.

It is an arithmetic number, because the mean of its divisors is an integer number (21893105).

Almost surely, 2^121254102 is an apocalyptic number.

121254102 is an abundant number, since it is smaller than the sum of its proper divisors (141463158).

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

121254102 is a wasteful number, since it uses less digits than its factorization.

121254102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736347 (or 6736344 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 121254102 is about 11011.5440334224. The cubic root of 121254102 is about 494.9547310913.

The spelling of 121254102 in words is "one hundred twenty-one million, two hundred fifty-four thousand, one hundred two".