1425032143 has 4 divisors (see below), whose sum is σ = 1426604200. Its totient is φ = 1423460088.

The previous prime is 1425032113. The next prime is 1425032173. The reversal of 1425032143 is 3412305241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3412305241 = 2039 ⋅1673519.

It is an interprime number because it is at equal distance from previous prime (1425032113) and next prime (1425032173).

It is a cyclic number.

It is not a de Polignac number, because 1425032143 - 2⁵ = 1425032111 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 (1425032113) 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, 784668 + ... + 786481.

It is an arithmetic number, because the mean of its divisors is an integer number (356651050).

Almost surely, 2^1425032143 is an apocalyptic number.

1425032143 is a deficient number, since it is larger than the sum of its proper divisors (1572057).

1425032143 is an equidigital number, since it uses as much as digits as its factorization.

1425032143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572056.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1425032143 is about 37749.5979183885. The cubic root of 1425032143 is about 1125.3170182792.

Adding to 1425032143 its reverse (3412305241), we get a palindrome (4837337384).

The spelling of 1425032143 in words is "one billion, four hundred twenty-five million, thirty-two thousand, one hundred forty-three".