61081234 has 8 divisors (see below), whose sum is σ = 92651580. Its totient is φ = 30197376.

The previous prime is 61081213. The next prime is 61081243. The reversal of 61081234 is 43218016.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 1096209 = 7745^2 + 1047^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 61081199 and 61081208.

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, 171399 + ... + 171754.

Almost surely, 2^61081234 is an apocalyptic number.

61081234 is a deficient number, since it is larger than the sum of its proper divisors (31570346).

61081234 is a wasteful number, since it uses less digits than its factorization.

61081234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343244.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 61081234 is about 7815.4484196366. The cubic root of 61081234 is about 393.8243825547.

The spelling of 61081234 in words is "sixty-one million, eighty-one thousand, two hundred thirty-four".