121386954 has 48 divisors (see below), whose sum is σ = 267472800. Its totient is φ = 36698688.

The previous prime is 121386949. The next prime is 121386977. The reversal of 121386954 is 459683121.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58812 + ... + 60840.

It is an arithmetic number, because the mean of its divisors is an integer number (5572350).

Almost surely, 2^121386954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121386954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133736400).

121386954 is an abundant number, since it is smaller than the sum of its proper divisors (146085846).

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

121386954 is a wasteful number, since it uses less digits than its factorization.

121386954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2106 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 121386954 is about 11017.5747785073. The cubic root of 121386954 is about 495.1354307525.

The spelling of 121386954 in words is "one hundred twenty-one million, three hundred eighty-six thousand, nine hundred fifty-four".