61002107 has 4 divisors (see below), whose sum is σ = 61127856. Its totient is φ = 60876360.

The previous prime is 61002077. The next prime is 61002119. The reversal of 61002107 is 70120016.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61002107 - 2¹⁴ = 60985723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61002157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62144 + ... + 63117.

It is an arithmetic number, because the mean of its divisors is an integer number (15281964).

Almost surely, 2^61002107 is an apocalyptic number.

61002107 is a deficient number, since it is larger than the sum of its proper divisors (125749).

61002107 is a wasteful number, since it uses less digits than its factorization.

61002107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125748.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 61002107 is about 7810.3845615949. The cubic root of 61002107 is about 393.6542506075.

The spelling of 61002107 in words is "sixty-one million, two thousand, one hundred seven".