126103253 has 8 divisors (see below), whose sum is σ = 127365120. Its totient is φ = 124845840.

The previous prime is 126103217. The next prime is 126103261. The reversal of 126103253 is 352301621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126103253 - 2²⁶ = 58994389 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 (126103213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90623 + ... + 92003.

It is an arithmetic number, because the mean of its divisors is an integer number (15920640).

Almost surely, 2^126103253 is an apocalyptic number.

It is an amenable number.

126103253 is a deficient number, since it is larger than the sum of its proper divisors (1261867).

126103253 is a wasteful number, since it uses less digits than its factorization.

126103253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 126103253 is about 11229.5704726405. The cubic root of 126103253 is about 501.4666973906.

Adding to 126103253 its reverse (352301621), we get a palindrome (478404874).

The spelling of 126103253 in words is "one hundred twenty-six million, one hundred three thousand, two hundred fifty-three".