1225463460 has 192 divisors, whose sum is σ = 3907104768. Its totient is φ = 284714496.

The previous prime is 1225463429. The next prime is 1225463461. The reversal of 1225463460 is 643645221.

It is not an unprimeable number, because it can be changed into a prime (1225463461) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1488609 + ... + 1489431.

It is an arithmetic number, because the mean of its divisors is an integer number (20349504).

Almost surely, 2^1225463460 is an apocalyptic number.

1225463460 is a gapful number since it is divisible by the number (10) 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 1225463460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953552384).

1225463460 is an abundant number, since it is smaller than the sum of its proper divisors (2681641308).

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

1225463460 is a wasteful number, since it uses less digits than its factorization.

1225463460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 1225463460 is about 35006.6202310363. The cubic root of 1225463460 is about 1070.1224013467.

The spelling of 1225463460 in words is "one billion, two hundred twenty-five million, four hundred sixty-three thousand, four hundred sixty".