1211008974 has 64 divisors (see below), whose sum is σ = 2936134656. Its totient is φ = 325062144.

The previous prime is 1211008963. The next prime is 1211008993. The reversal of 1211008974 is 4798001121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517912 + ... + 520244.

It is an arithmetic number, because the mean of its divisors is an integer number (45877104).

Almost surely, 2^1211008974 is an apocalyptic number.

1211008974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1211008974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1468067328).

1211008974 is an abundant number, since it is smaller than the sum of its proper divisors (1725125682).

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

1211008974 is a wasteful number, since it uses less digits than its factorization.

1211008974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 1211008974 is about 34799.5542212828. The cubic root of 1211008974 is about 1065.8983431696.

The spelling of 1211008974 in words is "one billion, two hundred eleven million, eight thousand, nine hundred seventy-four".