1202601640 has 32 divisors (see below), whose sum is σ = 2768784480. Its totient is φ = 469852992.

The previous prime is 1202601623. The next prime is 1202601677. The reversal of 1202601640 is 461062021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347874 + ... + 351313.

It is an arithmetic number, because the mean of its divisors is an integer number (86524515).

Almost surely, 2^1202601640 is an apocalyptic number.

1202601640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202601640 is an abundant number, since it is smaller than the sum of its proper divisors (1566182840).

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

1202601640 is a wasteful number, since it uses less digits than its factorization.

1202601640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699241 (or 699237 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1202601640 is about 34678.5472590765. The cubic root of 1202601640 is about 1063.4259745960.

Adding to 1202601640 its reverse (461062021), we get a palindrome (1663663661).

The spelling of 1202601640 in words is "one billion, two hundred two million, six hundred one thousand, six hundred forty".