1201452151 has 16 divisors (see below), whose sum is σ = 1276224768. Its totient is φ = 1129190400.

The previous prime is 1201452149. The next prime is 1201452167. The reversal of 1201452151 is 1512541021.

It is a cyclic number.

It is not a de Polignac number, because 1201452151 - 2¹ = 1201452149 is a prime.

It is a super-2 number, since 2×1201452151² = 2886974542285053602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201452181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294115 + ... + 298171.

It is an arithmetic number, because the mean of its divisors is an integer number (79764048).

Almost surely, 2^1201452151 is an apocalyptic number.

1201452151 is a deficient number, since it is larger than the sum of its proper divisors (74772617).

1201452151 is a wasteful number, since it uses less digits than its factorization.

1201452151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1201452151 is about 34661.9698084226. The cubic root of 1201452151 is about 1063.0870465874.

Adding to 1201452151 its reverse (1512541021), we get a palindrome (2713993172).

The spelling of 1201452151 in words is "one billion, two hundred one million, four hundred fifty-two thousand, one hundred fifty-one".