1429972 has 18 divisors (see below), whose sum is σ = 2660462. Its totient is φ = 672384.

The previous prime is 1429969. The next prime is 1430027. The reversal of 1429972 is 2799241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 767376 + 662596 = 876^2 + 814^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 538 + ... + 1774.

2^1429972 is an apocalyptic number.

It is an amenable number.

1429972 is a deficient number, since it is larger than the sum of its proper divisors (1230490).

1429972 is a wasteful number, since it uses less digits than its factorization.

1429972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1256 counting only the distinct ones).

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

The square root of 1429972 is about 1195.8143668647. The cubic root of 1429972 is about 112.6615818035.

It can be divided in two parts, 1429 and 972, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1429972 in words is "one million, four hundred twenty-nine thousand, nine hundred seventy-two".