1425167 has 4 divisors (see below), whose sum is σ = 1435560. Its totient is φ = 1414776.

The previous prime is 1425139. The next prime is 1425169. The reversal of 1425167 is 7615241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7615241 = 149 ⋅51109.

It is a cyclic number.

It is not a de Polignac number, because 1425167 - 2⁸ = 1424911 is a prime.

It is a super-2 number, since 2×1425167² = 4062201955778, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4988 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (358890).

2^1425167 is an apocalyptic number.

1425167 is a deficient number, since it is larger than the sum of its proper divisors (10393).

1425167 is a wasteful number, since it uses less digits than its factorization.

1425167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392.

The product of its digits is 1680, while the sum is 26.

The square root of 1425167 is about 1193.8035851848. The cubic root of 1425167 is about 112.5352515043.

The spelling of 1425167 in words is "one million, four hundred twenty-five thousand, one hundred sixty-seven".