1125864502 has 16 divisors (see below), whose sum is σ = 1935101952. Its totient is φ = 481251240.

The previous prime is 1125864431. The next prime is 1125864503. The reversal of 1125864502 is 2054685211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125864503) 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, 99624 + ... + 110347.

It is an arithmetic number, because the mean of its divisors is an integer number (120943872).

Almost surely, 2^1125864502 is an apocalyptic number.

1125864502 is a deficient number, since it is larger than the sum of its proper divisors (809237450).

1125864502 is a wasteful number, since it uses less digits than its factorization.

1125864502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210363.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1125864502 is about 33553.9044225855. The cubic root of 1125864502 is about 1040.3082487416.

The spelling of 1125864502 in words is "one billion, one hundred twenty-five million, eight hundred sixty-four thousand, five hundred two".