1501225456 has 40 divisors (see below), whose sum is σ = 3048626304. Its totient is φ = 714774720.

The previous prime is 1501225423. The next prime is 1501225489. The reversal of 1501225456 is 6545221051.

It is an interprime number because it is at equal distance from previous prime (1501225423) and next prime (1501225489).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74551 + ... + 92521.

Almost surely, 2^1501225456 is an apocalyptic number.

1501225456 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 1501225456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524313152).

1501225456 is an abundant number, since it is smaller than the sum of its proper divisors (1547400848).

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

1501225456 is a wasteful number, since it uses less digits than its factorization.

1501225456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18229 (or 18223 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1501225456 is about 38745.6508010899. The cubic root of 1501225456 is about 1145.0258903523.

The spelling of 1501225456 in words is "one billion, five hundred one million, two hundred twenty-five thousand, four hundred fifty-six".