121434102 has 12 divisors (see below), whose sum is σ = 263107260. Its totient is φ = 40478028.

The previous prime is 121434097. The next prime is 121434109. The reversal of 121434102 is 201434121.

It is a super-2 number, since 2×121434102² = 29492482257092808, which contains 22 as substring.

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: 6746339 = 121434102 / (1 + 2 + 1 + 4 + 3 + 4 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434109) 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, 3373152 + ... + 3373187.

It is an arithmetic number, because the mean of its divisors is an integer number (21925605).

Almost surely, 2^121434102 is an apocalyptic number.

121434102 is an abundant number, since it is smaller than the sum of its proper divisors (141673158).

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

121434102 is a wasteful number, since it uses less digits than its factorization.

121434102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746347 (or 6746344 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121434102 is about 11019.7142431190. The cubic root of 121434102 is about 495.1995277655.

Adding to 121434102 its reverse (201434121), we get a palindrome (322868223).

The spelling of 121434102 in words is "one hundred twenty-one million, four hundred thirty-four thousand, one hundred two".