261480126 has 32 divisors (see below), whose sum is σ = 529701120. Its totient is φ = 86042304.

The previous prime is 261480097. The next prime is 261480139. The reversal of 261480126 is 621084162.

It is a junction number, because it is equal to n+sod(n) for n = 261480093 and 261480102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322810 + ... + 323618.

It is an arithmetic number, because the mean of its divisors is an integer number (16553160).

Almost surely, 2^261480126 is an apocalyptic number.

261480126 is an abundant number, since it is smaller than the sum of its proper divisors (268220994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261480126 is a wasteful number, since it uses less digits than its factorization.

261480126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 261480126 is about 16170.3471205785. The cubic root of 261480126 is about 639.4592812457.

The spelling of 261480126 in words is "two hundred sixty-one million, four hundred eighty thousand, one hundred twenty-six".