1210800061 has 8 divisors (see below), whose sum is σ = 1349498880. Its totient is φ = 1079598528.

The previous prime is 1210800053. The next prime is 1210800091. The reversal of 1210800061 is 1600080121.

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

It is a cyclic number.

It is not a de Polignac number, because 1210800061 - 2³ = 1210800053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210800001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873981 + ... + 1874626.

It is an arithmetic number, because the mean of its divisors is an integer number (168687360).

Almost surely, 2^1210800061 is an apocalyptic number.

It is an amenable number.

1210800061 is a deficient number, since it is larger than the sum of its proper divisors (138698819).

1210800061 is a wasteful number, since it uses less digits than its factorization.

1210800061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748643.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 1210800061 is about 34796.5524298026. The cubic root of 1210800061 is about 1065.8370463966.

Adding to 1210800061 its reverse (1600080121), we get a palindrome (2810880182).

The spelling of 1210800061 in words is "one billion, two hundred ten million, eight hundred thousand, sixty-one".