121611070 has 64 divisors (see below), whose sum is σ = 256628736. Its totient is φ = 40636800.

The previous prime is 121611059. The next prime is 121611073. The reversal of 121611070 is 70116121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121611073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728127 + ... + 728293.

It is an arithmetic number, because the mean of its divisors is an integer number (4009824).

Almost surely, 2^121611070 is an apocalyptic number.

121611070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121611070 is an abundant number, since it is smaller than the sum of its proper divisors (135017666).

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

121611070 is a wasteful number, since it uses less digits than its factorization.

121611070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 121611070 is about 11027.7409291296. The cubic root of 121611070 is about 495.4399652610.

Adding to 121611070 its reverse (70116121), we get a palindrome (191727191).

It can be divided in two parts, 12161 and 1070, that added together give a palindrome (13231).

The spelling of 121611070 in words is "one hundred twenty-one million, six hundred eleven thousand, seventy".