1206436767461 has 4 divisors (see below), whose sum is σ = 1206490771500. Its totient is φ = 1206382763424.

The previous prime is 1206436767457. The next prime is 1206436767581. The reversal of 1206436767461 is 1647676346021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 394879019236 + 811557748225 = 628394^2 + 900865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206436767461 - 2² = 1206436767457 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 (1206436767401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26968496 + ... + 27013193.

It is an arithmetic number, because the mean of its divisors is an integer number (301622692875).

Almost surely, 2^{1206436767461} is an apocalyptic number.

It is an amenable number.

1206436767461 is a deficient number, since it is larger than the sum of its proper divisors (54004039).

1206436767461 is an equidigital number, since it uses as much as digits as its factorization.

1206436767461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54004038.

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 1206436767461 in words is "one trillion, two hundred six billion, four hundred thirty-six million, seven hundred sixty-seven thousand, four hundred sixty-one".