1255414187 has 2 divisors, whose sum is σ = 1255414188. Its totient is φ = 1255414186.

The previous prime is 1255414141. The next prime is 1255414229. The reversal of 1255414187 is 7814145521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255414187 - 2²² = 1251219883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1255414187.

It is not a weakly prime, because it can be changed into another prime (1255414087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627707093 + 627707094.

It is an arithmetic number, because the mean of its divisors is an integer number (627707094).

Almost surely, 2^1255414187 is an apocalyptic number.

1255414187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255414187 is an equidigital number, since it uses as much as digits as its factorization.

1255414187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 38.

The square root of 1255414187 is about 35431.8244943723. The cubic root of 1255414187 is about 1078.7703732389.

It can be divided in two parts, 125541418 and 7, that multiplied together give a triangular number (878789926 = T₄₁₉₂₃).

The spelling of 1255414187 in words is "one billion, two hundred fifty-five million, four hundred fourteen thousand, one hundred eighty-seven".