1372429 has 4 divisors (see below), whose sum is σ = 1376284. Its totient is φ = 1368576.

The previous prime is 1372421. The next prime is 1372451. The reversal of 1372429 is 9242731.

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

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 1010025 = 602^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372429 - 2³ = 1372421 is a prime.

It is a super-2 number, since 2×1372429² = 3767122720082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1372397 and 1372406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372421) 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, 1332 + ... + 2125.

It is an arithmetic number, because the mean of its divisors is an integer number (344071).

2^1372429 is an apocalyptic number.

It is an amenable number.

1372429 is a deficient number, since it is larger than the sum of its proper divisors (3855).

1372429 is an equidigital number, since it uses as much as digits as its factorization.

1372429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854.

The product of its digits is 3024, while the sum is 28.

The square root of 1372429 is about 1171.5071489325. The cubic root of 1372429 is about 111.1296539794.

The spelling of 1372429 in words is "one million, three hundred seventy-two thousand, four hundred twenty-nine".