61231026 has 16 divisors (see below), whose sum is σ = 124538400. Its totient is φ = 20064288.

The previous prime is 61231019. The next prime is 61231031. The reversal of 61231026 is 62013216.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61230993 and 61231011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86131 + ... + 86838.

It is an arithmetic number, because the mean of its divisors is an integer number (7783650).

Almost surely, 2^61231026 is an apocalyptic number.

61231026 is an abundant number, since it is smaller than the sum of its proper divisors (63307374).

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

61231026 is a wasteful number, since it uses less digits than its factorization.

61231026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173033.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 61231026 is about 7825.0256229612. The cubic root of 61231026 is about 394.1460502805.

The spelling of 61231026 in words is "sixty-one million, two hundred thirty-one thousand, twenty-six".