1427137 has 4 divisors (see below), whose sum is σ = 1440340. Its totient is φ = 1413936.

The previous prime is 1427117. The next prime is 1427141. The reversal of 1427137 is 7317241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7317241 = 149 ⋅49109.

It can be written as a sum of positive squares in 2 ways, for example, as 1157776 + 269361 = 1076^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427137 - 2¹⁹ = 902849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427117) 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, 6438 + ... + 6655.

It is an arithmetic number, because the mean of its divisors is an integer number (360085).

2^1427137 is an apocalyptic number.

It is an amenable number.

1427137 is a deficient number, since it is larger than the sum of its proper divisors (13203).

1427137 is a wasteful number, since it uses less digits than its factorization.

1427137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13202.

The product of its digits is 1176, while the sum is 25.

The square root of 1427137 is about 1194.6283941042. The cubic root of 1427137 is about 112.5870799041.

It can be divided in two parts, 142713 and 7, that multiplied together give a triangular number (998991 = T₁₄₁₃).

The spelling of 1427137 in words is "one million, four hundred twenty-seven thousand, one hundred thirty-seven".