1292479 has 4 divisors (see below), whose sum is σ = 1302784. Its totient is φ = 1282176.

The previous prime is 1292477. The next prime is 1292491. The reversal of 1292479 is 9742921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1292479 - 2¹ = 1292477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292477) 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, 4962 + ... + 5215.

It is an arithmetic number, because the mean of its divisors is an integer number (325696).

2^1292479 is an apocalyptic number.

1292479 is a deficient number, since it is larger than the sum of its proper divisors (10305).

1292479 is a wasteful number, since it uses less digits than its factorization.

1292479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304.

The product of its digits is 9072, while the sum is 34.

The square root of 1292479 is about 1136.8724642633. The cubic root of 1292479 is about 108.9284101916.

It can be divided in two parts, 1292 and 479, that added together give a palindrome (1771).

The spelling of 1292479 in words is "one million, two hundred ninety-two thousand, four hundred seventy-nine".