121014555 has 16 divisors (see below), whose sum is σ = 193956864. Its totient is φ = 64429920.

The previous prime is 121014547. The next prime is 121014557. The reversal of 121014555 is 555410121.

It is not a de Polignac number, because 121014555 - 2³ = 121014547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121014557) 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, 2460 + ... + 15750.

It is an arithmetic number, because the mean of its divisors is an integer number (12122304).

Almost surely, 2^121014555 is an apocalyptic number.

121014555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121014555 is a deficient number, since it is larger than the sum of its proper divisors (72942309).

121014555 is a wasteful number, since it uses less digits than its factorization.

121014555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13906.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 121014555 is about 11000.6615710147. The cubic root of 121014555 is about 494.6285755691.

Adding to 121014555 its reverse (555410121), we get a palindrome (676424676).

The spelling of 121014555 in words is "one hundred twenty-one million, fourteen thousand, five hundred fifty-five".