61120705 has 8 divisors (see below), whose sum is σ = 74378304. Its totient is φ = 48207600.

The previous prime is 61120699. The next prime is 61120711. The reversal of 61120705 is 50702116.

It is an interprime number because it is at equal distance from previous prime (61120699) and next prime (61120711).

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

It is not a de Polignac number, because 61120705 - 2¹⁵ = 61087937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85731 + ... + 86440.

It is an arithmetic number, because the mean of its divisors is an integer number (9297288).

Almost surely, 2^61120705 is an apocalyptic number.

It is an amenable number.

61120705 is a deficient number, since it is larger than the sum of its proper divisors (13257599).

61120705 is a wasteful number, since it uses less digits than its factorization.

61120705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172247.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 61120705 is about 7817.9732028193. The cubic root of 61120705 is about 393.9091947195.

It can be divided in two parts, 611 and 20705, that added together give a square (21316 = 146²).

The spelling of 61120705 in words is "sixty-one million, one hundred twenty thousand, seven hundred five".