1254494895 has 32 divisors (see below), whose sum is σ = 2049458112. Its totient is φ = 655030272.

The previous prime is 1254494869. The next prime is 1254494897. The reversal of 1254494895 is 5984944521.

It is a happy number.

It is not a de Polignac number, because 1254494895 - 2⁶ = 1254494831 is a prime.

It is a super-2 number, since 2×1254494895² = 3147514883162122050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254494897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441399 + ... + 444231.

It is an arithmetic number, because the mean of its divisors is an integer number (64045566).

Almost surely, 2^1254494895 is an apocalyptic number.

1254494895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1254494895 is a deficient number, since it is larger than the sum of its proper divisors (794963217).

1254494895 is a wasteful number, since it uses less digits than its factorization.

1254494895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its digits is 2073600, while the sum is 51.

The square root of 1254494895 is about 35418.8494307763. The cubic root of 1254494895 is about 1078.5069947870.

The spelling of 1254494895 in words is "one billion, two hundred fifty-four million, four hundred ninety-four thousand, eight hundred ninety-five".