121426142640070 has 16 divisors (see below), whose sum is σ = 228069972263520. Its totient is φ = 46458698053504.

The previous prime is 121426142640059. The next prime is 121426142640073. The reversal of 121426142640070 is 70046241624121.

It is a super-3 number, since 3×121426142640070³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121426142640073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263969875075 + ... + 263969875534.

It is an arithmetic number, because the mean of its divisors is an integer number (14254373266470).

Almost surely, 2^{121426142640070} is an apocalyptic number.

121426142640070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121426142640070 is a deficient number, since it is larger than the sum of its proper divisors (106643829623450).

121426142640070 is a wasteful number, since it uses less digits than its factorization.

121426142640070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527939750639.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 121426142640070 in words is "one hundred twenty-one trillion, four hundred twenty-six billion, one hundred forty-two million, six hundred forty thousand, seventy".