121463403 has 4 divisors (see below), whose sum is σ = 161951208. Its totient is φ = 80975600.

The previous prime is 121463401. The next prime is 121463413. The reversal of 121463403 is 304364121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304364121 = 3 ⋅101454707.

It is a cyclic number.

It is not a de Polignac number, because 121463403 - 2¹ = 121463401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121463401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20243898 + ... + 20243903.

It is an arithmetic number, because the mean of its divisors is an integer number (40487802).

Almost surely, 2^121463403 is an apocalyptic number.

121463403 is a deficient number, since it is larger than the sum of its proper divisors (40487805).

121463403 is an equidigital number, since it uses as much as digits as its factorization.

121463403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40487804.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 121463403 is about 11021.0436438660. The cubic root of 121463403 is about 495.2393536855.

The spelling of 121463403 in words is "one hundred twenty-one million, four hundred sixty-three thousand, four hundred three".