10401123261 has 16 divisors (see below), whose sum is σ = 13966404480. Its totient is φ = 6885004800.

The previous prime is 10401123259. The next prime is 10401123269. The reversal of 10401123261 is 16232110401.

It is not a de Polignac number, because 10401123261 - 2¹ = 10401123259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401123269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1395601 + ... + 1403033.

It is an arithmetic number, because the mean of its divisors is an integer number (872900280).

Almost surely, 2^10401123261 is an apocalyptic number.

It is an amenable number.

10401123261 is a deficient number, since it is larger than the sum of its proper divisors (3565281219).

10401123261 is a wasteful number, since it uses less digits than its factorization.

10401123261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10401123261 its reverse (16232110401), we get a palindrome (26633233662).

The spelling of 10401123261 in words is "ten billion, four hundred one million, one hundred twenty-three thousand, two hundred sixty-one".