1229480739 has 12 divisors (see below), whose sum is σ = 1833204672. Its totient is φ = 793213200.

The previous prime is 1229480737. The next prime is 1229480761. The reversal of 1229480739 is 9370849221.

It is not a de Polignac number, because 1229480739 - 2¹ = 1229480737 is a prime.

It is a super-2 number, since 2×1229480739² = 3023245775143972242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1229480694 and 1229480703.

It is not an unprimeable number, because it can be changed into a prime (1229480731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2203092 + ... + 2203649.

It is an arithmetic number, because the mean of its divisors is an integer number (152767056).

Almost surely, 2^1229480739 is an apocalyptic number.

1229480739 is a deficient number, since it is larger than the sum of its proper divisors (603723933).

1229480739 is a wasteful number, since it uses less digits than its factorization.

1229480739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406778 (or 4406775 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1229480739 is about 35063.9521303575. The cubic root of 1229480739 is about 1071.2904740336.

The spelling of 1229480739 in words is "one billion, two hundred twenty-nine million, four hundred eighty thousand, seven hundred thirty-nine".