161122454 has 8 divisors (see below), whose sum is σ = 242245728. Its totient is φ = 80373880.

The previous prime is 161122453. The next prime is 161122459. The reversal of 161122454 is 454221161.

161122454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161122453) 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, 92597 + ... + 94320.

It is an arithmetic number, because the mean of its divisors is an integer number (30280716).

Almost surely, 2^161122454 is an apocalyptic number.

161122454 is a deficient number, since it is larger than the sum of its proper divisors (81123274).

161122454 is a wasteful number, since it uses less digits than its factorization.

161122454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187350.

The product of its digits is 1920, while the sum is 26.

The square root of 161122454 is about 12693.4019868592. The cubic root of 161122454 is about 544.1500698827.

The spelling of 161122454 in words is "one hundred sixty-one million, one hundred twenty-two thousand, four hundred fifty-four".