1244212087 has 8 divisors (see below), whose sum is σ = 1257025536. Its totient is φ = 1231412952.

The previous prime is 1244212069. The next prime is 1244212097. The reversal of 1244212087 is 7802124421.

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

It is a cyclic number.

It is not a de Polignac number, because 1244212087 - 2²⁷ = 1109994359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244212007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299418 + ... + 303544.

It is an arithmetic number, because the mean of its divisors is an integer number (157128192).

Almost surely, 2^1244212087 is an apocalyptic number.

1244212087 is a deficient number, since it is larger than the sum of its proper divisors (12813449).

1244212087 is a wasteful number, since it uses less digits than its factorization.

1244212087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1244212087 is about 35273.3906365691. The cubic root of 1244212087 is about 1075.5521481547.

The spelling of 1244212087 in words is "one billion, two hundred forty-four million, two hundred twelve thousand, eighty-seven".