1246972416 has 160 divisors (see below), whose sum is σ = 3544915968. Its totient is φ = 388608000.

The previous prime is 1246972411. The next prime is 1246972417. The reversal of 1246972416 is 6142796421.

It is not an unprimeable number, because it can be changed into a prime (1246972411) 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, 1660041 + ... + 1660791.

Almost surely, 2^1246972416 is an apocalyptic number.

1246972416 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 1246972416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772457984).

1246972416 is an abundant number, since it is smaller than the sum of its proper divisors (2297943552).

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

1246972416 is an equidigital number, since it uses as much as digits as its factorization.

1246972416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 826 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 1246972416 is about 35312.4965982299. The cubic root of 1246972416 is about 1076.3469443147.

The spelling of 1246972416 in words is "one billion, two hundred forty-six million, nine hundred seventy-two thousand, four hundred sixteen".