1125205030 has 8 divisors (see below), whose sum is σ = 2025369072. Its totient is φ = 450082008.

The previous prime is 1125205013. The next prime is 1125205033. The reversal of 1125205030 is 305025211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1125204989 and 1125205007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125205033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56260242 + ... + 56260261.

It is an arithmetic number, because the mean of its divisors is an integer number (253171134).

Almost surely, 2^1125205030 is an apocalyptic number.

1125205030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125205030 is a deficient number, since it is larger than the sum of its proper divisors (900164042).

1125205030 is a wasteful number, since it uses less digits than its factorization.

1125205030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112520510.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1125205030 is about 33544.0759300357. The cubic root of 1125205030 is about 1040.1050898490.

The spelling of 1125205030 in words is "one billion, one hundred twenty-five million, two hundred five thousand, thirty".