1254168552 has 128 divisors (see below), whose sum is σ = 3885557760. Its totient is φ = 328492800.

The previous prime is 1254168547. The next prime is 1254168577. The reversal of 1254168552 is 2558614521.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 1254168552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327883 + ... + 331685.

It is an arithmetic number, because the mean of its divisors is an integer number (30355920).

Almost surely, 2^1254168552 is an apocalyptic number.

1254168552 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 1254168552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942778880).

1254168552 is an abundant number, since it is smaller than the sum of its proper divisors (2631389208).

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

1254168552 is a wasteful number, since it uses less digits than its factorization.

1254168552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983 (or 3979 counting only the distinct ones).

The product of its digits is 96000, while the sum is 39.

The square root of 1254168552 is about 35414.2422197624. The cubic root of 1254168552 is about 1078.4134661130.

The spelling of 1254168552 in words is "one billion, two hundred fifty-four million, one hundred sixty-eight thousand, five hundred fifty-two".