1245012496 has 80 divisors (see below), whose sum is σ = 2992697344. Its totient is φ = 488581632.

The previous prime is 1245012481. The next prime is 1245012511. The reversal of 1245012496 is 6942105421.

It is an interprime number because it is at equal distance from previous prime (1245012481) and next prime (1245012511).

It is a super-2 number, since 2×1245012496² = 3100112230392300032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181546 + ... + 188278.

Almost surely, 2^1245012496 is an apocalyptic number.

1245012496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245012496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496348672).

1245012496 is an abundant number, since it is smaller than the sum of its proper divisors (1747684848).

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

1245012496 is a wasteful number, since it uses less digits than its factorization.

1245012496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888 (or 6882 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1245012496 is about 35284.7346029413. The cubic root of 1245012496 is about 1075.7827350701.

The spelling of 1245012496 in words is "one billion, two hundred forty-five million, twelve thousand, four hundred ninety-six".