621161126 has 8 divisors (see below), whose sum is σ = 935811120. Its totient is φ = 309224088.

The previous prime is 621161117. The next prime is 621161137.

621161126 is nontrivially palindromic in base 10.

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

It is a super-2 number, since 2×621161126² = 771682288907175752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 621161095 and 621161104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677666 + ... + 678581.

It is an arithmetic number, because the mean of its divisors is an integer number (116976390).

Almost surely, 2^621161126 is an apocalyptic number.

621161126 is a deficient number, since it is larger than the sum of its proper divisors (314649994).

621161126 is a wasteful number, since it uses less digits than its factorization.

621161126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356478.

The product of its digits is 864, while the sum is 26.

The square root of 621161126 is about 24923.1042609062. The cubic root of 621161126 is about 853.2338751610.

The spelling of 621161126 in words is "six hundred twenty-one million, one hundred sixty-one thousand, one hundred twenty-six".