1245917010 has 96 divisors (see below), whose sum is σ = 3251309760. Its totient is φ = 305420544.

The previous prime is 1245917003. The next prime is 1245917011. The reversal of 1245917010 is 107195421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1245917011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2012481 + ... + 2013099.

It is an arithmetic number, because the mean of its divisors is an integer number (33867810).

Almost surely, 2^1245917010 is an apocalyptic number.

1245917010 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 1245917010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1625654880).

1245917010 is an abundant number, since it is smaller than the sum of its proper divisors (2005392750).

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

1245917010 is a wasteful number, since it uses less digits than its factorization.

1245917010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 1245917010 is about 35297.5496316671. The cubic root of 1245917010 is about 1076.0431943016.

The spelling of 1245917010 in words is "one billion, two hundred forty-five million, nine hundred seventeen thousand, ten".