1296485190 has 576 divisors, whose sum is σ = 4834432512. Its totient is φ = 242611200.

The previous prime is 1296485167. The next prime is 1296485213. The reversal of 1296485190 is 915846921.

1296485190 is a `hidden beast` number, since 1 + 2 + 96 + 48 + 519 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1296485167) and next prime (1296485213).

It is a super-2 number, since 2×1296485190² = 3361747695778672200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 31621570 + ... + 31621610.

It is an arithmetic number, because the mean of its divisors is an integer number (8393112).

Almost surely, 2^1296485190 is an apocalyptic number.

1296485190 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 1296485190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417216256).

1296485190 is an abundant number, since it is smaller than the sum of its proper divisors (3537947322).

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

1296485190 is a wasteful number, since it uses less digits than its factorization.

1296485190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1296485190 is about 36006.7381194131. The cubic root of 1296485190 is about 1090.4083956284.

The spelling of 1296485190 in words is "one billion, two hundred ninety-six million, four hundred eighty-five thousand, one hundred ninety".