1101671970 has 32 divisors (see below), whose sum is σ = 3021729408. Its totient is φ = 251810688.

The previous prime is 1101671969. The next prime is 1101672007. The reversal of 1101671970 is 791761011.

It is a happy number.

It is a super-2 number, since 2×1101671970² = 2427362258967361800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2622819 + ... + 2623238.

It is an arithmetic number, because the mean of its divisors is an integer number (94429044).

Almost surely, 2^1101671970 is an apocalyptic number.

1101671970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1101671970 is an abundant number, since it is smaller than the sum of its proper divisors (1920057438).

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

1101671970 is a wasteful number, since it uses less digits than its factorization.

1101671970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246074.

The product of its (nonzero) digits is 2646, while the sum is 33.

The square root of 1101671970 is about 33191.4442288973. Note that the first 3 decimals coincide. The cubic root of 1101671970 is about 1032.8028632324.

The spelling of 1101671970 in words is "one billion, one hundred one million, six hundred seventy-one thousand, nine hundred seventy".