1201300101 has 12 divisors (see below), whose sum is σ = 1746265612. Its totient is φ = 795764736.

The previous prime is 1201300091. The next prime is 1201300153. The reversal of 1201300101 is 1010031021.

It can be written as a sum of positive squares in 2 ways, for example, as 876219201 + 325080900 = 29601^2 + 18030^2 .

It is not a de Polignac number, because 1201300101 - 2²² = 1197105797 is a prime.

It is a super-2 number, since 2×1201300101² = 2886243865325220402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201300181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 423676 + ... + 426501.

Almost surely, 2^1201300101 is an apocalyptic number.

It is an amenable number.

1201300101 is a deficient number, since it is larger than the sum of its proper divisors (544965511).

1201300101 is a wasteful number, since it uses less digits than its factorization.

1201300101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850340 (or 850337 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1201300101 is about 34659.7764130122. The cubic root of 1201300101 is about 1063.0421983026.

Adding to 1201300101 its reverse (1010031021), we get a palindrome (2211331122).

The spelling of 1201300101 in words is "one billion, two hundred one million, three hundred thousand, one hundred one".