126002456261 has 8 divisors (see below), whose sum is σ = 137608787424. Its totient is φ = 114421385520.

The previous prime is 126002456221. The next prime is 126002456287. The reversal of 126002456261 is 162654200621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126002456261 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 (126002456221) 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, 6304670 + ... + 6324623.

It is an arithmetic number, because the mean of its divisors is an integer number (17201098428).

Almost surely, 2^126002456261 is an apocalyptic number.

126002456261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

126002456261 is a deficient number, since it is larger than the sum of its proper divisors (11606331163).

126002456261 is a wasteful number, since it uses less digits than its factorization.

126002456261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630211.

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 126002456261 its reverse (162654200621), we get a palindrome (288656656882).

The spelling of 126002456261 in words is "one hundred twenty-six billion, two million, four hundred fifty-six thousand, two hundred sixty-one".