1237900085 has 8 divisors (see below), whose sum is σ = 1521711576. Its totient is φ = 966165760.

The previous prime is 1237900073. The next prime is 1237900127. The reversal of 1237900085 is 5800097321.

It can be written as a sum of positive squares in 4 ways, for example, as 2869636 + 1235030449 = 1694^2 + 35143^2 .

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

It is not a de Polignac number, because 1237900085 - 2¹⁴ = 1237883701 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 7 ways as a sum of consecutive naturals, for example, 3019064 + ... + 3019473.

It is an arithmetic number, because the mean of its divisors is an integer number (190213947).

Almost surely, 2^1237900085 is an apocalyptic number.

It is an amenable number.

1237900085 is a deficient number, since it is larger than the sum of its proper divisors (283811491).

1237900085 is an equidigital number, since it uses as much as digits as its factorization.

1237900085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038583.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1237900085 is about 35183.8042997059. The cubic root of 1237900085 is about 1073.7302722696.

The spelling of 1237900085 in words is "one billion, two hundred thirty-seven million, nine hundred thousand, eighty-five".