61012600 has 48 divisors (see below), whose sum is σ = 154755720. Its totient is φ = 22185600.

The previous prime is 61012573. The next prime is 61012603. The reversal of 61012600 is 621016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61012603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11667 + ... + 16066.

Almost surely, 2^61012600 is an apocalyptic number.

It is an amenable number.

61012600 is an abundant number, since it is smaller than the sum of its proper divisors (93743120).

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

61012600 is a wasteful number, since it uses less digits than its factorization.

61012600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27760 (or 27751 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61012600 is about 7811.0562666006. The cubic root of 61012600 is about 393.6768201954.

Adding to 61012600 its reverse (621016), we get a palindrome (61633616).

The spelling of 61012600 in words is "sixty-one million, twelve thousand, six hundred".