121293460 has 12 divisors (see below), whose sum is σ = 254716308. Its totient is φ = 48517376.

The previous prime is 121293451. The next prime is 121293493. The reversal of 121293460 is 64392121.

It can be written as a sum of positive squares in 2 ways, for example, as 76108176 + 45185284 = 8724^2 + 6722^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032317 + ... + 3032356.

It is an arithmetic number, because the mean of its divisors is an integer number (21226359).

Almost surely, 2^121293460 is an apocalyptic number.

121293460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121293460 is an abundant number, since it is smaller than the sum of its proper divisors (133422848).

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

121293460 is a wasteful number, since it uses less digits than its factorization.

121293460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064682 (or 6064680 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 121293460 is about 11013.3310129134. The cubic root of 121293460 is about 495.0082779284.

The spelling of 121293460 in words is "one hundred twenty-one million, two hundred ninety-three thousand, four hundred sixty".