1255155030 has 48 divisors (see below), whose sum is σ = 3266119584. Its totient is φ = 334429440.

The previous prime is 1255154987. The next prime is 1255155037. The reversal of 1255155030 is 305515521.

It is a junction number, because it is equal to n+sod(n) for n = 1255154985 and 1255155003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255155037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117367 + ... + 127613.

It is an arithmetic number, because the mean of its divisors is an integer number (68044158).

Almost surely, 2^1255155030 is an apocalyptic number.

1255155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255155030 is an abundant number, since it is smaller than the sum of its proper divisors (2010964554).

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

1255155030 is a wasteful number, since it uses less digits than its factorization.

1255155030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621 (or 11618 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1255155030 is about 35428.1671837537. The cubic root of 1255155030 is about 1078.6961374114.

The spelling of 1255155030 in words is "one billion, two hundred fifty-five million, one hundred fifty-five thousand, thirty".