1254054667 has 2 divisors, whose sum is σ = 1254054668. Its totient is φ = 1254054666.

The previous prime is 1254054647. The next prime is 1254054679. The reversal of 1254054667 is 7664504521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254054667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254054647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627027333 + 627027334.

It is an arithmetic number, because the mean of its divisors is an integer number (627027334).

Almost surely, 2^1254054667 is an apocalyptic number.

1254054667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254054667 is an equidigital number, since it uses as much as digits as its factorization.

1254054667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 1254054667 is about 35412.6342849554. The cubic root of 1254054667 is about 1078.3808232823.

The spelling of 1254054667 in words is "one billion, two hundred fifty-four million, fifty-four thousand, six hundred sixty-seven".