61071102 has 24 divisors (see below), whose sum is σ = 132651480. Its totient is φ = 20306160.

The previous prime is 61071091. The next prime is 61071119. The reversal of 61071102 is 20117016.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3549 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (5527145).

Almost surely, 2^61071102 is an apocalyptic number.

61071102 is an abundant number, since it is smaller than the sum of its proper divisors (71580378).

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

61071102 is a wasteful number, since it uses less digits than its factorization.

61071102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8488 (or 8485 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 61071102 is about 7814.8001893842. The cubic root of 61071102 is about 393.8026058210.

Adding to 61071102 its reverse (20117016), we get a palindrome (81188118).

The spelling of 61071102 in words is "sixty-one million, seventy-one thousand, one hundred two".