121047455 has 8 divisors (see below), whose sum is σ = 146302800. Its totient is φ = 96140736.

The previous prime is 121047391. The next prime is 121047469. The reversal of 121047455 is 554740121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121047455 - 2⁶ = 121047391 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86390 + ... + 87779.

It is an arithmetic number, because the mean of its divisors is an integer number (18287850).

Almost surely, 2^121047455 is an apocalyptic number.

121047455 is a deficient number, since it is larger than the sum of its proper divisors (25255345).

121047455 is a wasteful number, since it uses less digits than its factorization.

121047455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174313.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 121047455 is about 11002.1568340030. The cubic root of 121047455 is about 494.6733960885.

Adding to 121047455 its reverse (554740121), we get a palindrome (675787576).

The spelling of 121047455 in words is "one hundred twenty-one million, forty-seven thousand, four hundred fifty-five".