1123375461 has 16 divisors (see below), whose sum is σ = 1614196416. Its totient is φ = 690817536.

The previous prime is 1123375447. The next prime is 1123375471. The reversal of 1123375461 is 1645733211.

It is not a de Polignac number, because 1123375461 - 2⁶ = 1123375397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123375411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49941 + ... + 68853.

It is an arithmetic number, because the mean of its divisors is an integer number (100887276).

Almost surely, 2^1123375461 is an apocalyptic number.

It is an amenable number.

1123375461 is a deficient number, since it is larger than the sum of its proper divisors (490820955).

1123375461 is a wasteful number, since it uses less digits than its factorization.

1123375461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20452.

The product of its digits is 15120, while the sum is 33.

The square root of 1123375461 is about 33516.7937159866. The cubic root of 1123375461 is about 1039.5410515038.

The spelling of 1123375461 in words is "one billion, one hundred twenty-three million, three hundred seventy-five thousand, four hundred sixty-one".