1211402162 has 8 divisors (see below), whose sum is σ = 1817286192. Its totient is φ = 605640100.

The previous prime is 1211402147. The next prime is 1211402177. The reversal of 1211402162 is 2612041121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1211402147) and next prime (1211402177).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1211402162³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737 + ... + 49227.

It is an arithmetic number, because the mean of its divisors is an integer number (227160774).

Almost surely, 2^1211402162 is an apocalyptic number.

1211402162 is a deficient number, since it is larger than the sum of its proper divisors (605884030).

1211402162 is a wasteful number, since it uses less digits than its factorization.

1211402162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60984.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1211402162 is about 34805.2030880442. The cubic root of 1211402162 is about 1066.0136886095.

Adding to 1211402162 its reverse (2612041121), we get a palindrome (3823443283).

The spelling of 1211402162 in words is "one billion, two hundred eleven million, four hundred two thousand, one hundred sixty-two".