61078102 has 4 divisors (see below), whose sum is σ = 91617156. Its totient is φ = 30539050.

The previous prime is 61078081. The next prime is 61078109. The reversal of 61078102 is 20187016.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61078109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15269524 + ... + 15269527.

It is an arithmetic number, because the mean of its divisors is an integer number (22904289).

Almost surely, 2^61078102 is an apocalyptic number.

61078102 is a deficient number, since it is larger than the sum of its proper divisors (30539054).

61078102 is a wasteful number, since it uses less digits than its factorization.

61078102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30539053.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 61078102 is about 7815.2480446880. The cubic root of 61078102 is about 393.8176511962.

The spelling of 61078102 in words is "sixty-one million, seventy-eight thousand, one hundred two".