611057123 has 4 divisors (see below), whose sum is σ = 637624848. Its totient is φ = 584489400.

The previous prime is 611057101. The next prime is 611057137. The reversal of 611057123 is 321750116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 611057123 - 2⁶ = 611057059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611057092 and 611057101.

It is not an unprimeable number, because it can be changed into a prime (611057143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283828 + ... + 13283873.

It is an arithmetic number, because the mean of its divisors is an integer number (159406212).

Almost surely, 2^611057123 is an apocalyptic number.

611057123 is a deficient number, since it is larger than the sum of its proper divisors (26567725).

611057123 is a wasteful number, since it uses less digits than its factorization.

611057123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26567724.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 611057123 is about 24719.5696362214. The cubic root of 611057123 is about 848.5822377036.

The spelling of 611057123 in words is "six hundred eleven million, fifty-seven thousand, one hundred twenty-three".