1262730642 has 32 divisors (see below), whose sum is σ = 2567961792. Its totient is φ = 413850624.

The previous prime is 1262730611. The next prime is 1262730691. The reversal of 1262730642 is 2460372621.

1262730642 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235738 + ... + 241034.

It is an arithmetic number, because the mean of its divisors is an integer number (80248806).

Almost surely, 2^1262730642 is an apocalyptic number.

1262730642 is an abundant number, since it is smaller than the sum of its proper divisors (1305231150).

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

1262730642 is a wasteful number, since it uses less digits than its factorization.

1262730642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1262730642 is about 35534.9214435603. The cubic root of 1262730642 is about 1080.8619781718.

The spelling of 1262730642 in words is "one billion, two hundred sixty-two million, seven hundred thirty thousand, six hundred forty-two".