1238201946 has 12 divisors (see below), whose sum is σ = 2682770922. Its totient is φ = 412733976.

The previous prime is 1238201903. The next prime is 1238201957. The reversal of 1238201946 is 6491028321.

It can be written as a sum of positive squares in only one way, i.e., 1052288721 + 185913225 = 32439^2 + 13635^2 .

It is a super-6 number, since 6×1238201946⁶ (a number of 56 digits) contains 666666 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1238201946.

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 5 ways as a sum of consecutive naturals, for example, 34394481 + ... + 34394516.

Almost surely, 2^1238201946 is an apocalyptic number.

1238201946 is an abundant number, since it is smaller than the sum of its proper divisors (1444568976).

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

1238201946 is a wasteful number, since it uses less digits than its factorization.

1238201946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68789005 (or 68789002 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1238201946 is about 35188.0938102649. The cubic root of 1238201946 is about 1073.8175412816.

The spelling of 1238201946 in words is "one billion, two hundred thirty-eight million, two hundred one thousand, nine hundred forty-six".