1295195490 has 96 divisors (see below), whose sum is σ = 3616119936. Its totient is φ = 320463360.

The previous prime is 1295195459. The next prime is 1295195501. The reversal of 1295195490 is 945915921.

1295195490 is a `hidden beast` number, since 1 + 2 + 95 + 19 + 549 + 0 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102669 + ... + 114591.

It is an arithmetic number, because the mean of its divisors is an integer number (37667916).

Almost surely, 2^1295195490 is an apocalyptic number.

1295195490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1295195490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1808059968).

1295195490 is an abundant number, since it is smaller than the sum of its proper divisors (2320924446).

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

1295195490 is a wasteful number, since it uses less digits than its factorization.

1295195490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12024 (or 12021 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 1295195490 is about 35988.8245153964. The cubic root of 1295195490 is about 1090.0467084325.

The spelling of 1295195490 in words is "one billion, two hundred ninety-five million, one hundred ninety-five thousand, four hundred ninety".