161122703 has 8 divisors (see below), whose sum is σ = 187615008. Its totient is φ = 135499104.

The previous prime is 161122699. The next prime is 161122781. The reversal of 161122703 is 307221161.

161122703 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 161122703 - 2² = 161122699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161122783) 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, 216776 + ... + 217517.

It is an arithmetic number, because the mean of its divisors is an integer number (23451876).

Almost surely, 2^161122703 is an apocalyptic number.

161122703 is a deficient number, since it is larger than the sum of its proper divisors (26492305).

161122703 is an equidigital number, since it uses as much as digits as its factorization.

161122703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434353.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 161122703 is about 12693.4117951006. The cubic root of 161122703 is about 544.1503501939.

Adding to 161122703 its reverse (307221161), we get a palindrome (468343864).

The spelling of 161122703 in words is "one hundred sixty-one million, one hundred twenty-two thousand, seven hundred three".