121403460 has 96 divisors (see below), whose sum is σ = 368831232. Its totient is φ = 29716480.

The previous prime is 121403441. The next prime is 121403461. The reversal of 121403460 is 64304121.

It is not an unprimeable number, because it can be changed into a prime (121403461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40369 + ... + 43271.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^121403460 is an apocalyptic number.

121403460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121403460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184415616).

121403460 is an abundant number, since it is smaller than the sum of its proper divisors (247427772).

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

121403460 is a wasteful number, since it uses less digits than its factorization.

121403460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2973 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 121403460 is about 11018.3238289678. The cubic root of 121403460 is about 495.1578723048.

Adding to 121403460 its reverse (64304121), we get a palindrome (185707581).

The spelling of 121403460 in words is "one hundred twenty-one million, four hundred three thousand, four hundred sixty".