126408983 has 4 divisors (see below), whose sum is σ = 129825480. Its totient is φ = 122992488.

The previous prime is 126408973. The next prime is 126409001. The reversal of 126408983 is 389804621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 389804621 = 23 ⋅16948027.

It is a cyclic number.

It is not a de Polignac number, because 126408983 - 2¹⁰ = 126407959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126408983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126408973) 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, 1708193 + ... + 1708266.

It is an arithmetic number, because the mean of its divisors is an integer number (32456370).

Almost surely, 2^126408983 is an apocalyptic number.

126408983 is a deficient number, since it is larger than the sum of its proper divisors (3416497).

126408983 is an equidigital number, since it uses as much as digits as its factorization.

126408983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416496.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 126408983 is about 11243.1749519431. The cubic root of 126408983 is about 501.8716292660.

The spelling of 126408983 in words is "one hundred twenty-six million, four hundred eight thousand, nine hundred eighty-three".