121534469 has 32 divisors (see below), whose sum is σ = 152064000. Its totient is φ = 94820544.

The previous prime is 121534453. The next prime is 121534471. The reversal of 121534469 is 964435121.

It is not a de Polignac number, because 121534469 - 2⁴ = 121534453 is a prime.

It is a super-2 number, since 2×121534469² = 29541254310223922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121534409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451667 + ... + 451935.

It is an arithmetic number, because the mean of its divisors is an integer number (4752000).

Almost surely, 2^121534469 is an apocalyptic number.

121534469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

121534469 is a deficient number, since it is larger than the sum of its proper divisors (30529531).

121534469 is a wasteful number, since it uses less digits than its factorization.

121534469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its digits is 25920, while the sum is 35.

The square root of 121534469 is about 11024.2672772389. The cubic root of 121534469 is about 495.3359199964.

The spelling of 121534469 in words is "one hundred twenty-one million, five hundred thirty-four thousand, four hundred sixty-nine".