1542429 has 16 divisors (see below), whose sum is σ = 2611840. Its totient is φ = 881280.

The previous prime is 1542421. The next prime is 1542433. The reversal of 1542429 is 9242451.

It is not a de Polignac number, because 1542429 - 2³ = 1542421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3892 + ... + 4269.

It is an arithmetic number, because the mean of its divisors is an integer number (163240).

2^1542429 is an apocalyptic number.

It is an amenable number.

1542429 is a deficient number, since it is larger than the sum of its proper divisors (1069411).

1542429 is an equidigital number, since it uses as much as digits as its factorization.

1542429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8177 (or 8171 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1542429 is about 1241.9456509848. The cubic root of 1542429 is about 115.5407176393.

The spelling of 1542429 in words is "one million, five hundred forty-two thousand, four hundred twenty-nine".