1201455207 has 32 divisors (see below), whose sum is σ = 1821470720. Its totient is φ = 782460000.

The previous prime is 1201455197. The next prime is 1201455223. The reversal of 1201455207 is 7025541021.

1201455207 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 455 + 207 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1201455207 is a prime.

It is a super-2 number, since 2×1201455207² = 2886989228854825698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201455707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246282 + ... + 251112.

It is an arithmetic number, because the mean of its divisors is an integer number (56920960).

Almost surely, 2^1201455207 is an apocalyptic number.

1201455207 is a deficient number, since it is larger than the sum of its proper divisors (620015513).

1201455207 is a wasteful number, since it uses less digits than its factorization.

1201455207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052 (or 5046 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 1201455207 is about 34662.0138912903. The cubic root of 1201455207 is about 1063.0879479387.

Adding to 1201455207 its reverse (7025541021), we get a palindrome (8226996228).

The spelling of 1201455207 in words is "one billion, two hundred one million, four hundred fifty-five thousand, two hundred seven".