127425987 has 16 divisors (see below), whose sum is σ = 203301280. Its totient is φ = 78415776.

The previous prime is 127425967. The next prime is 127426007. The reversal of 127425987 is 789524721.

It is a happy number.

127425987 is a `hidden beast` number, since 12 + 7 + 42 + 598 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (127425967) and next prime (127426007).

It is not a de Polignac number, because 127425987 - 2¹⁴ = 127409603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127425917) 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, 181168 + ... + 181869.

It is an arithmetic number, because the mean of its divisors is an integer number (12706330).

Almost surely, 2^127425987 is an apocalyptic number.

127425987 is a deficient number, since it is larger than the sum of its proper divisors (75875293).

127425987 is a wasteful number, since it uses less digits than its factorization.

127425987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363059 (or 363053 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 127425987 is about 11288.3119641512. The cubic root of 127425987 is about 503.2139461690.

It can be divided in two parts, 1274 and 25987, that added together give a triangular number (27261 = T₂₃₃).

The spelling of 127425987 in words is "one hundred twenty-seven million, four hundred twenty-five thousand, nine hundred eighty-seven".