121254501 has 16 divisors (see below), whose sum is σ = 165489408. Its totient is φ = 78936000.

The previous prime is 121254491. The next prime is 121254503. The reversal of 121254501 is 105452121.

It is not a de Polignac number, because 121254501 - 2¹⁵ = 121221733 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121254503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92551 + ... + 93851.

It is an arithmetic number, because the mean of its divisors is an integer number (10343088).

Almost surely, 2^121254501 is an apocalyptic number.

It is an amenable number.

121254501 is a deficient number, since it is larger than the sum of its proper divisors (44234907).

121254501 is a wasteful number, since it uses less digits than its factorization.

121254501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 121254501 is about 11011.5621507577. The cubic root of 121254501 is about 494.9552739917.

The spelling of 121254501 in words is "one hundred twenty-one million, two hundred fifty-four thousand, five hundred one".