1125461953 has 16 divisors (see below), whose sum is σ = 1433032704. Its totient is φ = 858321360.

The previous prime is 1125461927. The next prime is 1125461977. The reversal of 1125461953 is 3591645211.

It is a cyclic number.

It is not a de Polignac number, because 1125461953 - 2¹³ = 1125453761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125461923) 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, 151875 + ... + 159112.

It is an arithmetic number, because the mean of its divisors is an integer number (89564544).

Almost surely, 2^1125461953 is an apocalyptic number.

It is an amenable number.

1125461953 is a deficient number, since it is larger than the sum of its proper divisors (307570751).

1125461953 is a wasteful number, since it uses less digits than its factorization.

1125461953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311052.

The product of its digits is 32400, while the sum is 37.

The square root of 1125461953 is about 33547.9053444474. The cubic root of 1125461953 is about 1040.1842477436.

The spelling of 1125461953 in words is "one billion, one hundred twenty-five million, four hundred sixty-one thousand, nine hundred fifty-three".