61245102 has 32 divisors (see below), whose sum is σ = 126081792. Its totient is φ = 19825344.

The previous prime is 61245091. The next prime is 61245137. The reversal of 61245102 is 20154216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28303 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (3940056).

Almost surely, 2^61245102 is an apocalyptic number.

61245102 is an abundant number, since it is smaller than the sum of its proper divisors (64836690).

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

61245102 is a wasteful number, since it uses less digits than its factorization.

61245102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 61245102 is about 7825.9249932516. The cubic root of 61245102 is about 394.1762505188.

Adding to 61245102 its reverse (20154216), we get a palindrome (81399318).

The spelling of 61245102 in words is "sixty-one million, two hundred forty-five thousand, one hundred two".