1207929949 has 2 divisors, whose sum is σ = 1207929950. Its totient is φ = 1207929948.

The previous prime is 1207929941. The next prime is 1207929967. The reversal of 1207929949 is 9499297021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1148532100 + 59397849 = 33890^2 + 7707^2 .

It is an emirp because it is prime and its reverse (9499297021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1207929949 - 2³ = 1207929941 is a prime.

It is a super-2 number, since 2×1207929949² = 2918189523382285202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1207929896 and 1207929905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207929941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603964974 + 603964975.

It is an arithmetic number, because the mean of its divisors is an integer number (603964975).

Almost surely, 2^1207929949 is an apocalyptic number.

It is an amenable number.

1207929949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207929949 is an equidigital number, since it uses as much as digits as its factorization.

1207929949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 1207929949 is about 34755.2866338346. The cubic root of 1207929949 is about 1064.9942174593.

The spelling of 1207929949 in words is "one billion, two hundred seven million, nine hundred twenty-nine thousand, nine hundred forty-nine".