61231042 has 8 divisors (see below), whose sum is σ = 97249356. Its totient is φ = 28814592.

The previous prime is 61231031. The next prime is 61231057. The reversal of 61231042 is 24013216.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 63001 = 7821^2 + 251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900423 + ... + 900490.

Almost surely, 2^61231042 is an apocalyptic number.

61231042 is a deficient number, since it is larger than the sum of its proper divisors (36018314).

61231042 is a wasteful number, since it uses less digits than its factorization.

61231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800932.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 61231042 is about 7825.0266453220. The cubic root of 61231042 is about 394.1460846113.

Adding to 61231042 its reverse (24013216), we get a palindrome (85244258).

The spelling of 61231042 in words is "sixty-one million, two hundred thirty-one thousand, forty-two".