121354465 has 8 divisors (see below), whose sum is σ = 149177448. Its totient is φ = 94715520.

The previous prime is 121354459. The next prime is 121354477. The reversal of 121354465 is 564453121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6071296 + 115283169 = 2464^2 + 10737^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-121354465 is a prime.

It is a Duffinian 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, 295782 + ... + 296191.

It is an arithmetic number, because the mean of its divisors is an integer number (18647181).

Almost surely, 2^121354465 is an apocalyptic number.

It is an amenable number.

121354465 is a deficient number, since it is larger than the sum of its proper divisors (27822983).

121354465 is an equidigital number, since it uses as much as digits as its factorization.

121354465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592019.

The product of its digits is 14400, while the sum is 31.

The square root of 121354465 is about 11016.1002627972. The cubic root of 121354465 is about 495.0912527749.

The spelling of 121354465 in words is "one hundred twenty-one million, three hundred fifty-four thousand, four hundred sixty-five".