1238214788461 has 32 divisors (see below), whose sum is σ = 1515085608960. Its totient is φ = 989436384000.

The previous prime is 1238214788431. The next prime is 1238214788471. The reversal of 1238214788461 is 1648874128321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1238214788461 - 2⁷ = 1238214788333 is a prime.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238214788431) 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, 47475 + ... + 1574383.

It is an arithmetic number, because the mean of its divisors is an integer number (47346425280).

Almost surely, 2^{1238214788461} is an apocalyptic number.

It is an amenable number.

1238214788461 is a deficient number, since it is larger than the sum of its proper divisors (276870820499).

1238214788461 is a wasteful number, since it uses less digits than its factorization.

1238214788461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527085.

The product of its digits is 4128768, while the sum is 55.

The spelling of 1238214788461 in words is "one trillion, two hundred thirty-eight billion, two hundred fourteen million, seven hundred eighty-eight thousand, four hundred sixty-one".