142127400 has 48 divisors (see below), whose sum is σ = 440596800. Its totient is φ = 37900480.

The previous prime is 142127387. The next prime is 142127413. The reversal of 142127400 is 4721241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142127387) and next prime (142127413).

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 11 ways as a sum of consecutive naturals, for example, 117840 + ... + 119039.

It is an arithmetic number, because the mean of its divisors is an integer number (9179100).

Almost surely, 2^142127400 is an apocalyptic number.

142127400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142127400 is an abundant number, since it is smaller than the sum of its proper divisors (298469400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142127400 is a wasteful number, since it uses less digits than its factorization.

142127400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236898 (or 236889 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 142127400 is about 11921.7196746107. The cubic root of 142127400 is about 521.8663212249.

Adding to 142127400 its reverse (4721241), we get a palindrome (146848641).

It can be divided in two parts, 14212 and 7400, that added together give a palindrome (21612).

The spelling of 142127400 in words is "one hundred forty-two million, one hundred twenty-seven thousand, four hundred".