1541025123402 has 16 divisors (see below), whose sum is σ = 3083695784640. Its totient is φ = 513400784832.

The previous prime is 1541025123377. The next prime is 1541025123409. The reversal of 1541025123402 is 2043215201451.

It is a super-2 number, since 2×1541025123402² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1541025123402.

It is not an unprimeable number, because it can be changed into a prime (1541025123409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68551902 + ... + 68574377.

It is an arithmetic number, because the mean of its divisors is an integer number (192730986540).

Almost surely, 2^{1541025123402} is an apocalyptic number.

1541025123402 is an abundant number, since it is smaller than the sum of its proper divisors (1542670661238).

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

1541025123402 is a wasteful number, since it uses less digits than its factorization.

1541025123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137128157.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1541025123402 in words is "one trillion, five hundred forty-one billion, twenty-five million, one hundred twenty-three thousand, four hundred two".