1046561123 has 8 divisors (see below), whose sum is σ = 1112128992. Its totient is φ = 981438336.

The previous prime is 1046561119. The next prime is 1046561129. The reversal of 1046561123 is 3211656401.

It is a happy number.

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 1046561123 - 2² = 1046561119 is a prime.

It is a super-2 number, since 2×1046561123² = 2190580368350042258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046561129) 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, 106415 + ... + 115832.

It is an arithmetic number, because the mean of its divisors is an integer number (139016124).

Almost surely, 2^1046561123 is an apocalyptic number.

1046561123 is a deficient number, since it is larger than the sum of its proper divisors (65567869).

1046561123 is a wasteful number, since it uses less digits than its factorization.

1046561123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222541.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1046561123 is about 32350.5969496700. The cubic root of 1046561123 is about 1015.2855362388.

The spelling of 1046561123 in words is "one billion, forty-six million, five hundred sixty-one thousand, one hundred twenty-three".