1224697960 has 16 divisors (see below), whose sum is σ = 2755570500. Its totient is φ = 489879168.

The previous prime is 1224697931. The next prime is 1224697963. The reversal of 1224697960 is 697964221.

It can be written as a sum of positive squares in 2 ways, for example, as 1068897636 + 155800324 = 32694^2 + 12482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1224697960.

It is not an unprimeable number, because it can be changed into a prime (1224697963) 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, 15308685 + ... + 15308764.

Almost surely, 2^1224697960 is an apocalyptic number.

1224697960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224697960 is an abundant number, since it is smaller than the sum of its proper divisors (1530872540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224697960 is a wasteful number, since it uses less digits than its factorization.

1224697960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30617460 (or 30617456 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1224697960 is about 34995.6848768530. The cubic root of 1224697960 is about 1069.8995334675.

The spelling of 1224697960 in words is "one billion, two hundred twenty-four million, six hundred ninety-seven thousand, nine hundred sixty".