121452454403 has 8 divisors (see below), whose sum is σ = 138982375008. Its totient is φ = 103967426304.

The previous prime is 121452454373. The next prime is 121452454411. The reversal of 121452454403 is 304454254121.

It is a happy number.

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

It is not a de Polignac number, because 121452454403 - 2³² = 117157487107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121452454603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11217326 + ... + 11228147.

It is an arithmetic number, because the mean of its divisors is an integer number (17372796876).

Almost surely, 2^121452454403 is an apocalyptic number.

121452454403 is a deficient number, since it is larger than the sum of its proper divisors (17529920605).

121452454403 is an equidigital number, since it uses as much as digits as its factorization.

121452454403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446253.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 121452454403 in words is "one hundred twenty-one billion, four hundred fifty-two million, four hundred fifty-four thousand, four hundred three".