1201052135 has 8 divisors (see below), whose sum is σ = 1474780560. Its totient is φ = 938496384.

The previous prime is 1201052129. The next prime is 1201052141. The reversal of 1201052135 is 5312501021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201052129) and next prime (1201052141).

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 1201052135 - 2⁶ = 1201052071 is a prime.

It is a congruent 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, 2792930 + ... + 2793359.

It is an arithmetic number, because the mean of its divisors is an integer number (184347570).

Almost surely, 2^1201052135 is an apocalyptic number.

1201052135 is a deficient number, since it is larger than the sum of its proper divisors (273728425).

1201052135 is an equidigital number, since it uses as much as digits as its factorization.

1201052135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586337.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1201052135 is about 34656.1990847236. The cubic root of 1201052135 is about 1062.9690507573.

Adding to 1201052135 its reverse (5312501021), we get a palindrome (6513553156).

The spelling of 1201052135 in words is "one billion, two hundred one million, fifty-two thousand, one hundred thirty-five".