125278967 has 16 divisors (see below), whose sum is σ = 149382144. Its totient is φ = 103728000.

The previous prime is 125278961. The next prime is 125278973. The reversal of 125278967 is 769872521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125278961) and next prime (125278973).

It is a cyclic number.

It is not a de Polignac number, because 125278967 - 2¹⁴ = 125262583 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125278961) 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, 5009 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (9336384).

Almost surely, 2^125278967 is an apocalyptic number.

125278967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125278967 is a deficient number, since it is larger than the sum of its proper divisors (24103177).

125278967 is a wasteful number, since it uses less digits than its factorization.

125278967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21670.

The product of its digits is 423360, while the sum is 47.

The square root of 125278967 is about 11192.8087181011. The cubic root of 125278967 is about 500.3716796400.

The spelling of 125278967 in words is "one hundred twenty-five million, two hundred seventy-eight thousand, nine hundred sixty-seven".