1200402151 has 8 divisors (see below), whose sum is σ = 1296002624. Its totient is φ = 1105267680.

The previous prime is 1200402149. The next prime is 1200402167. The reversal of 1200402151 is 1512040021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200402151 - 2¹ = 1200402149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200402101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111135 + ... + 121456.

It is an arithmetic number, because the mean of its divisors is an integer number (162000328).

Almost surely, 2^1200402151 is an apocalyptic number.

1200402151 is a deficient number, since it is larger than the sum of its proper divisors (95600473).

1200402151 is a wasteful number, since it uses less digits than its factorization.

1200402151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233001.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1200402151 is about 34646.8202148480. The cubic root of 1200402151 is about 1062.7772640372. Note that the first 3 decimals are identical.

Adding to 1200402151 its reverse (1512040021), we get a palindrome (2712442172).

The spelling of 1200402151 in words is "one billion, two hundred million, four hundred two thousand, one hundred fifty-one".