1235001061 has 8 divisors (see below), whose sum is σ = 1412233920. Its totient is φ = 1057969248.

The previous prime is 1235001049. The next prime is 1235001067. The reversal of 1235001061 is 1601005321.

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

It is not a de Polignac number, because 1235001061 - 2⁵ = 1235001029 is a prime.

It is a super-2 number, since 2×1235001061² = 3050455241342251442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1235001067) 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, 36856 + ... + 61873.

It is an arithmetic number, because the mean of its divisors is an integer number (176529240).

Almost surely, 2^1235001061 is an apocalyptic number.

It is an amenable number.

1235001061 is a deficient number, since it is larger than the sum of its proper divisors (177232859).

1235001061 is an equidigital number, since it uses as much as digits as its factorization.

1235001061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100523.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1235001061 is about 35142.5818772611. The cubic root of 1235001061 is about 1072.8914315713.

Adding to 1235001061 its reverse (1601005321), we get a palindrome (2836006382).

The spelling of 1235001061 in words is "one billion, two hundred thirty-five million, one thousand, sixty-one".