1206157602 has 32 divisors (see below), whose sum is σ = 2599668288. Its totient is φ = 370869696.

The previous prime is 1206157571. The next prime is 1206157609. The reversal of 1206157602 is 2067516021.

It is a self number, because there is not a number n which added to its sum of digits gives 1206157602.

It is not an unprimeable number, because it can be changed into a prime (1206157609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130713 + ... + 139635.

It is an arithmetic number, because the mean of its divisors is an integer number (81239634).

Almost surely, 2^1206157602 is an apocalyptic number.

1206157602 is an abundant number, since it is smaller than the sum of its proper divisors (1393510686).

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

1206157602 is a wasteful number, since it uses less digits than its factorization.

1206157602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10674.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1206157602 is about 34729.7797574358. The cubic root of 1206157602 is about 1064.4730881142.

The spelling of 1206157602 in words is "one billion, two hundred six million, one hundred fifty-seven thousand, six hundred two".