1201332113 has 4 divisors (see below), whose sum is σ = 1253563968. Its totient is φ = 1149100260.

The previous prime is 1201332107. The next prime is 1201332137. The reversal of 1201332113 is 3112331021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3112331021 = 2141 ⋅1453681.

It is a cyclic number.

It is not a de Polignac number, because 1201332113 - 2¹⁴ = 1201315729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201332091 and 1201332100.

It is not an unprimeable number, because it can be changed into a prime (1201332193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26115893 + ... + 26115938.

It is an arithmetic number, because the mean of its divisors is an integer number (313390992).

Almost surely, 2^1201332113 is an apocalyptic number.

It is an amenable number.

1201332113 is a deficient number, since it is larger than the sum of its proper divisors (52231855).

1201332113 is an equidigital number, since it uses as much as digits as its factorization.

1201332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52231854.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1201332113 is about 34660.2382132610. The cubic root of 1201332113 is about 1063.0516407959.

Adding to 1201332113 its reverse (3112331021), we get a palindrome (4313663134).

The spelling of 1201332113 in words is "one billion, two hundred one million, three hundred thirty-two thousand, one hundred thirteen".