1299097234 has 4 divisors (see below), whose sum is σ = 1948645854. Its totient is φ = 649548616.

The previous prime is 1299097231. The next prime is 1299097301. The reversal of 1299097234 is 4327909921.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1210831209 + 88266025 = 34797^2 + 9395^2 .

It is not an unprimeable number, because it can be changed into a prime (1299097231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324774307 + ... + 324774310.

Almost surely, 2^1299097234 is an apocalyptic number.

1299097234 is a deficient number, since it is larger than the sum of its proper divisors (649548620).

1299097234 is an equidigital number, since it uses as much as digits as its factorization.

1299097234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649548619.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1299097234 is about 36042.9914685227. The cubic root of 1299097234 is about 1091.1401906137.

It can be divided in two parts, 12990 and 97234, that added together give a square (110224 = 332²).

The spelling of 1299097234 in words is "one billion, two hundred ninety-nine million, ninety-seven thousand, two hundred thirty-four".