1206672377 has 2 divisors, whose sum is σ = 1206672378. Its totient is φ = 1206672376.

The previous prime is 1206672373. The next prime is 1206672409. The reversal of 1206672377 is 7732766021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616230976 + 590441401 = 24824^2 + 24299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206672377 - 2² = 1206672373 is a prime.

It is not a weakly prime, because it can be changed into another prime (1206672373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603336188 + 603336189.

It is an arithmetic number, because the mean of its divisors is an integer number (603336189).

Almost surely, 2^1206672377 is an apocalyptic number.

It is an amenable number.

1206672377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206672377 is an equidigital number, since it uses as much as digits as its factorization.

1206672377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 1206672377 is about 34737.1901137671. The cubic root of 1206672377 is about 1064.6245017703.

The spelling of 1206672377 in words is "one billion, two hundred six million, six hundred seventy-two thousand, three hundred seventy-seven".