1254776652 has 18 divisors (see below), whose sum is σ = 3171796628. Its totient is φ = 418258872.

The previous prime is 1254776639. The next prime is 1254776657. The reversal of 1254776652 is 2566774521.

1254776652 is a `hidden beast` number, since 125 + 477 + 6 + 6 + 52 = 666.

1254776652 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1254776598 and 1254776607.

It is not an unprimeable number, because it can be changed into a prime (1254776657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17427418 + ... + 17427489.

Almost surely, 2^1254776652 is an apocalyptic number.

1254776652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1254776652 is an abundant number, since it is smaller than the sum of its proper divisors (1917019976).

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

1254776652 is a wasteful number, since it uses less digits than its factorization.

1254776652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34854917 (or 34854912 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 1254776652 is about 35422.8267082118. The cubic root of 1254776652 is about 1078.5877322348.

The spelling of 1254776652 in words is "one billion, two hundred fifty-four million, seven hundred seventy-six thousand, six hundred fifty-two".