1125355212 has 36 divisors (see below), whose sum is σ = 2846079600. Its totient is φ = 374929632.

The previous prime is 1125355177. The next prime is 1125355213. The reversal of 1125355212 is 2125535211.

1125355212 is a `hidden beast` number, since 112 + 535 + 5 + 2 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1125355213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77289 + ... + 90687.

Almost surely, 2^1125355212 is an apocalyptic number.

1125355212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125355212 is an abundant number, since it is smaller than the sum of its proper divisors (1720724388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125355212 is a wasteful number, since it uses less digits than its factorization.

1125355212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15742 (or 15737 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1125355212 is about 33546.3144324380. The cubic root of 1125355212 is about 1040.1513623384.

The spelling of 1125355212 in words is "one billion, one hundred twenty-five million, three hundred fifty-five thousand, two hundred twelve".