1245375376 has 80 divisors (see below), whose sum is σ = 2834640000. Its totient is φ = 529802112.

The previous prime is 1245375371. The next prime is 1245375377. The reversal of 1245375376 is 6735735421.

It is not an unprimeable number, because it can be changed into a prime (1245375371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816951 + ... + 818473.

It is an arithmetic number, because the mean of its divisors is an integer number (35433000).

Almost surely, 2^1245375376 is an apocalyptic number.

1245375376 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 1245375376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417320000).

1245375376 is an abundant number, since it is smaller than the sum of its proper divisors (1589264624).

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

1245375376 is a wasteful number, since it uses less digits than its factorization.

1245375376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1681 counting only the distinct ones).

The product of its digits is 529200, while the sum is 43.

The square root of 1245375376 is about 35289.8763953630. The cubic root of 1245375376 is about 1075.8872432895.

The spelling of 1245375376 in words is "one billion, two hundred forty-five million, three hundred seventy-five thousand, three hundred seventy-six".