1213025102 has 8 divisors (see below), whose sum is σ = 1878232512. Its totient is φ = 586947600.

The previous prime is 1213025063. The next prime is 1213025111. The reversal of 1213025102 is 2015203121.

It is a happy number.

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

It is a super-2 number, since 2×1213025102² = 2942859796164220808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9782399 + ... + 9782522.

It is an arithmetic number, because the mean of its divisors is an integer number (234779064).

Almost surely, 2^1213025102 is an apocalyptic number.

1213025102 is a deficient number, since it is larger than the sum of its proper divisors (665207410).

1213025102 is a wasteful number, since it uses less digits than its factorization.

1213025102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19564954.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1213025102 is about 34828.5099020903. The cubic root of 1213025102 is about 1066.4895295478.

Adding to 1213025102 its reverse (2015203121), we get a palindrome (3228228223).

The spelling of 1213025102 in words is "one billion, two hundred thirteen million, twenty-five thousand, one hundred two".