1351200085 has 16 divisors (see below), whose sum is σ = 1629787392. Its totient is φ = 1075412800.

The previous prime is 1351200031. The next prime is 1351200107. The reversal of 1351200085 is 5800021531.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1351200085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057467 + ... + 1058743.

It is an arithmetic number, because the mean of its divisors is an integer number (101861712).

Almost surely, 2^1351200085 is an apocalyptic number.

It is an amenable number.

1351200085 is a deficient number, since it is larger than the sum of its proper divisors (278587307).

1351200085 is a wasteful number, since it uses less digits than its factorization.

1351200085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1351200085 is about 36758.6736022942. The cubic root of 1351200085 is about 1105.5368452606.

The spelling of 1351200085 in words is "one billion, three hundred fifty-one million, two hundred thousand, eighty-five".