61223101 has 8 divisors (see below), whose sum is σ = 61850624. Its totient is φ = 60598800.

The previous prime is 61223081. The next prime is 61223117. The reversal of 61223101 is 10132216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61223101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61223131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55780 + ... + 56866.

It is an arithmetic number, because the mean of its divisors is an integer number (7731328).

Almost surely, 2^61223101 is an apocalyptic number.

It is an amenable number.

61223101 is a deficient number, since it is larger than the sum of its proper divisors (627523).

61223101 is a wasteful number, since it uses less digits than its factorization.

61223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 61223101 is about 7824.5192184568. The cubic root of 61223101 is about 394.1290450549.

Adding to 61223101 its reverse (10132216), we get a palindrome (71355317).

The spelling of 61223101 in words is "sixty-one million, two hundred twenty-three thousand, one hundred one".