1254761064 has 64 divisors (see below), whose sum is σ = 3668904000. Its totient is φ = 396239040.

The previous prime is 1254761063. The next prime is 1254761087. The reversal of 1254761064 is 4601674521.

1254761064 is a `hidden beast` number, since 1 + 2 + 547 + 6 + 106 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1254761063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148767 + ... + 156974.

It is an arithmetic number, because the mean of its divisors is an integer number (57326625).

Almost surely, 2^1254761064 is an apocalyptic number.

It is an amenable number.

1254761064 is an abundant number, since it is smaller than the sum of its proper divisors (2414142936).

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

1254761064 is a wasteful number, since it uses less digits than its factorization.

1254761064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305775 (or 305765 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1254761064 is about 35422.6066799156. The cubic root of 1254761064 is about 1078.5832658104.

The spelling of 1254761064 in words is "one billion, two hundred fifty-four million, seven hundred sixty-one thousand, sixty-four".