1200152551 has 8 divisors (see below), whose sum is σ = 1299171440. Its totient is φ = 1102090752.

The previous prime is 1200152539. The next prime is 1200152557. The reversal of 1200152551 is 1552510021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200152551 is a prime.

It is a super-2 number, since 2×1200152551² = 2880732291343615202, 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 (1200152557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236661 + ... + 241678.

It is an arithmetic number, because the mean of its divisors is an integer number (162396430).

Almost surely, 2^1200152551 is an apocalyptic number.

1200152551 is a deficient number, since it is larger than the sum of its proper divisors (99018889).

1200152551 is a wasteful number, since it uses less digits than its factorization.

1200152551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478545.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1200152551 is about 34643.2179654258. The cubic root of 1200152551 is about 1062.7035977266.

Adding to 1200152551 its reverse (1552510021), we get a palindrome (2752662572).

The spelling of 1200152551 in words is "one billion, two hundred million, one hundred fifty-two thousand, five hundred fifty-one".