1201601052 has 36 divisors (see below), whose sum is σ = 3169442640. Its totient is φ = 383118912.

The previous prime is 1201601047. The next prime is 1201601081. The reversal of 1201601052 is 2501061021.

1201601052 is a `hidden beast` number, since 12 + 0 + 1 + 601 + 0 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724777 + ... + 726432.

Almost surely, 2^1201601052 is an apocalyptic number.

1201601052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201601052 is an abundant number, since it is smaller than the sum of its proper divisors (1967841588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201601052 is a wasteful number, since it uses less digits than its factorization.

1201601052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451242 (or 1451237 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1201601052 is about 34664.1176434653. The cubic root of 1201601052 is about 1063.1309623841.

Adding to 1201601052 its reverse (2501061021), we get a palindrome (3702662073).

It can be divided in two parts, 1201 and 601052, that added together give a triangular number (602253 = T₁₀₉₇).

The spelling of 1201601052 in words is "one billion, two hundred one million, six hundred one thousand, fifty-two".