126481247 has 4 divisors (see below), whose sum is σ = 126938136. Its totient is φ = 126024360.

The previous prime is 126481217. The next prime is 126481283. The reversal of 126481247 is 742184621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742184621 = 61 ⋅12166961.

It is a cyclic number.

It is not a de Polignac number, because 126481247 - 2¹² = 126477151 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 (126481217) 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, 228029 + ... + 228582.

It is an arithmetic number, because the mean of its divisors is an integer number (31734534).

Almost surely, 2^126481247 is an apocalyptic number.

126481247 is a deficient number, since it is larger than the sum of its proper divisors (456889).

126481247 is an equidigital number, since it uses as much as digits as its factorization.

126481247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456888.

The product of its digits is 21504, while the sum is 35.

The square root of 126481247 is about 11246.3881757656. The cubic root of 126481247 is about 501.9672457373.

The spelling of 126481247 in words is "one hundred twenty-six million, four hundred eighty-one thousand, two hundred forty-seven".