1241253529490 has 32 divisors (see below), whose sum is σ = 2411274640320. Its totient is φ = 457327583424.

The previous prime is 1241253529469. The next prime is 1241253529499. The reversal of 1241253529490 is 949253521421.

It is not an unprimeable number, because it can be changed into a prime (1241253529499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10162100 + ... + 10283519.

It is an arithmetic number, because the mean of its divisors is an integer number (75352332510).

Almost surely, 2^{1241253529490} is an apocalyptic number.

1241253529490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1241253529490 is a deficient number, since it is larger than the sum of its proper divisors (1170021110830).

1241253529490 is a wasteful number, since it uses less digits than its factorization.

1241253529490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20446106.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 1241253529490 in words is "one trillion, two hundred forty-one billion, two hundred fifty-three million, five hundred twenty-nine thousand, four hundred ninety".