61204102 has 4 divisors (see below), whose sum is σ = 91806156. Its totient is φ = 30602050.

The previous prime is 61204069. The next prime is 61204109. The reversal of 61204102 is 20140216.

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 (61204109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15301024 + ... + 15301027.

It is an arithmetic number, because the mean of its divisors is an integer number (22951539).

Almost surely, 2^61204102 is an apocalyptic number.

61204102 is a deficient number, since it is larger than the sum of its proper divisors (30602054).

61204102 is a wasteful number, since it uses less digits than its factorization.

61204102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30602053.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 61204102 is about 7823.3050560489. The cubic root of 61204102 is about 394.0882715979.

Adding to 61204102 its reverse (20140216), we get a palindrome (81344318).

The spelling of 61204102 in words is "sixty-one million, two hundred four thousand, one hundred two".