1085121237 has 32 divisors (see below), whose sum is σ = 1577577600. Its totient is φ = 660676608.

The previous prime is 1085121229. The next prime is 1085121239. The reversal of 1085121237 is 7321215801.

It is not a de Polignac number, because 1085121237 - 2³ = 1085121229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085121239) 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, 1167589 + ... + 1168517.

It is an arithmetic number, because the mean of its divisors is an integer number (49299300).

Almost surely, 2^1085121237 is an apocalyptic number.

1085121237 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1085121237 is a deficient number, since it is larger than the sum of its proper divisors (492456363).

1085121237 is a wasteful number, since it uses less digits than its factorization.

1085121237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 1085121237 is about 32941.1784397583. The cubic root of 1085121237 is about 1027.6047136667.

The spelling of 1085121237 in words is "one billion, eighty-five million, one hundred twenty-one thousand, two hundred thirty-seven".