121404444130 has 16 divisors (see below), whose sum is σ = 231382587960. Its totient is φ = 45705202432.

The previous prime is 121404444127. The next prime is 121404444149. The reversal of 121404444130 is 31444404121.

It can be written as a sum of positive squares in 4 ways, for example, as 77678706681 + 43725737449 = 278709^2 + 209107^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357071725 + ... + 357072064.

Almost surely, 2^121404444130 is an apocalyptic number.

121404444130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121404444130 is a deficient number, since it is larger than the sum of its proper divisors (109978143830).

121404444130 is a wasteful number, since it uses less digits than its factorization.

121404444130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714143813.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121404444130 its reverse (31444404121), we get a palindrome (152848848251).

The spelling of 121404444130 in words is "one hundred twenty-one billion, four hundred four million, four hundred forty-four thousand, one hundred thirty".