121030254070 has 64 divisors (see below), whose sum is σ = 251880674112. Its totient is φ = 41382400000.

The previous prime is 121030254031. The next prime is 121030254077. The reversal of 121030254070 is 70452030121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030254077) 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, 1953570 + ... + 2014570.

It is an arithmetic number, because the mean of its divisors is an integer number (3935635533).

Almost surely, 2^121030254070 is an apocalyptic number.

121030254070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121030254070 is an abundant number, since it is smaller than the sum of its proper divisors (130850420042).

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

121030254070 is a wasteful number, since it uses less digits than its factorization.

121030254070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62097.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 121030254070 its reverse (70452030121), we get a palindrome (191482284191).

The spelling of 121030254070 in words is "one hundred twenty-one billion, thirty million, two hundred fifty-four thousand, seventy".