1254224532 has 72 divisors (see below), whose sum is σ = 3227188608. Its totient is φ = 378836480.

The previous prime is 1254224501. The next prime is 1254224581. The reversal of 1254224532 is 2354224521.

It is a self number, because there is not a number n which added to its sum of digits gives 1254224532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 511333 + ... + 513779.

It is an arithmetic number, because the mean of its divisors is an integer number (44822064).

Almost surely, 2^1254224532 is an apocalyptic number.

1254224532 is a gapful number since it is divisible by the number (12) 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 1254224532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613594304).

1254224532 is an abundant number, since it is smaller than the sum of its proper divisors (1972964076).

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

1254224532 is a wasteful number, since it uses less digits than its factorization.

1254224532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829 (or 2816 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 1254224532 is about 35415.0325709295. The cubic root of 1254224532 is about 1078.4295109228.

The spelling of 1254224532 in words is "one billion, two hundred fifty-four million, two hundred twenty-four thousand, five hundred thirty-two".