1225135110 has 16 divisors (see below), whose sum is σ = 2940324336. Its totient is φ = 326702688.

The previous prime is 1225135069. The next prime is 1225135199. The reversal of 1225135110 is 115315221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20418889 + ... + 20418948.

It is an arithmetic number, because the mean of its divisors is an integer number (183770271).

Almost surely, 2^1225135110 is an apocalyptic number.

1225135110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225135110 is an abundant number, since it is smaller than the sum of its proper divisors (1715189226).

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

1225135110 is a wasteful number, since it uses less digits than its factorization.

1225135110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40837847.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1225135110 is about 35001.9300896393. The cubic root of 1225135110 is about 1070.0268168083.

The spelling of 1225135110 in words is "one billion, two hundred twenty-five million, one hundred thirty-five thousand, one hundred ten".