1210971162 has 64 divisors (see below), whose sum is σ = 2536095744. Its totient is φ = 385176960.

The previous prime is 1210971161. The next prime is 1210971163. The reversal of 1210971162 is 2611790121.

It is an interprime number because it is at equal distance from previous prime (1210971161) and next prime (1210971163).

It is not an unprimeable number, because it can be changed into a prime (1210971161) 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, 2592853 + ... + 2593319.

It is an arithmetic number, because the mean of its divisors is an integer number (39626496).

Almost surely, 2^1210971162 is an apocalyptic number.

1210971162 is an abundant number, since it is smaller than the sum of its proper divisors (1325124582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210971162 is a wasteful number, since it uses less digits than its factorization.

1210971162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1210971162 is about 34799.0109342205. The cubic root of 1210971162 is about 1065.8872493439.

The spelling of 1210971162 in words is "one billion, two hundred ten million, nine hundred seventy-one thousand, one hundred sixty-two".