126390283 has 4 divisors (see below), whose sum is σ = 127990240. Its totient is φ = 124790328.

The previous prime is 126390259. The next prime is 126390301. The reversal of 126390283 is 382093621.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126390283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126390883) 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, 799860 + ... + 800017.

It is an arithmetic number, because the mean of its divisors is an integer number (31997560).

Almost surely, 2^126390283 is an apocalyptic number.

126390283 is a deficient number, since it is larger than the sum of its proper divisors (1599957).

126390283 is an equidigital number, since it uses as much as digits as its factorization.

126390283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599956.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 126390283 is about 11242.3433055569. The cubic root of 126390283 is about 501.8468803332.

The spelling of 126390283 in words is "one hundred twenty-six million, three hundred ninety thousand, two hundred eighty-three".