1295057850 has 24 divisors (see below), whose sum is σ = 3211743840. Its totient is φ = 345348720.

The previous prime is 1295057839. The next prime is 1295057851. The reversal of 1295057850 is 587505921.

It is not an unprimeable number, because it can be changed into a prime (1295057851) 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, 4316710 + ... + 4317009.

It is an arithmetic number, because the mean of its divisors is an integer number (133822660).

Almost surely, 2^1295057850 is an apocalyptic number.

1295057850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1295057850 is an abundant number, since it is smaller than the sum of its proper divisors (1916685990).

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

1295057850 is a wasteful number, since it uses less digits than its factorization.

1295057850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8633734 (or 8633729 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 42.

The square root of 1295057850 is about 35986.9122043001. The cubic root of 1295057850 is about 1090.0080940958.

The spelling of 1295057850 in words is "one billion, two hundred ninety-five million, fifty-seven thousand, eight hundred fifty".