1201146634 has 8 divisors (see below), whose sum is σ = 1802202948. Its totient is φ = 600412320.

The previous prime is 1201146631. The next prime is 1201146637. The reversal of 1201146634 is 4366411021.

It is an interprime number because it is at equal distance from previous prime (1201146631) and next prime (1201146637).

It can be written as a sum of positive squares in 2 ways, for example, as 845937225 + 355209409 = 29085^2 + 18847^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1201146631) 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, 70947 + ... + 86230.

Almost surely, 2^1201146634 is an apocalyptic number.

1201146634 is a deficient number, since it is larger than the sum of its proper divisors (601056314).

1201146634 is a wasteful number, since it uses less digits than its factorization.

1201146634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161000.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1201146634 is about 34657.5624359244. The cubic root of 1201146634 is about 1062.9969282254.

Adding to 1201146634 its reverse (4366411021), we get a palindrome (5567557655).

The spelling of 1201146634 in words is "one billion, two hundred one million, one hundred forty-six thousand, six hundred thirty-four".